Table A1.

Visual events in Version 1. Variations of these sentences with pronouns, or meaningful ellipses were accepted as correct utterances.

Event set	Trial number	Event
1	1	The green circle moves up one block.
1	2	The green circle loops around the purple trapezoid.
1	3	The green circle jumps over the purple trapezoid.
1	4	The red rectangle loops around the green circle.
1	5	The green circle jumps over the red rectangle.
1	6	The purple trapezoid wiggles.
		BREAK
2	7	The purple rectangle jumps over the brown circle
2	8	The purple rectangle moves down three blocks.
2	9	The red diamond moves down three blocks.
2	10	The purple trapezoid flashes.
		BREAK
3	11	The brown diamond loops around the purple rectangle.
3	12	The purple rectangle loops around the brown diamond.
3	13	The green trapezoid moves up two blocks.
3	14	The brown circle jumps over the green trapezoid.
3	15	The brown circle loops around the green trapezoid.
3	16	The brown circle jumps under the red rectangle.
		BREAK
4	17	The brown diamond moves right three blocks.
4	18	The red diamond moves down two blocks.
4	19	The red diamond moves left one block.
4	20	The brown diamond jumps over it [the red diamond].
		BREAK
5	21	The green trapezoid moves right one block.
5	22	The green trapezoid loops around the red rectangle.
5	23	The red rectangle loops around the green trapezoid.
5	24	The green circle jumps over the red rectangle.
5	25	The red rectangle jumps under the brown circle.
		BREAK
6	26	The green trapezoid moves down one block.
6	27	The green trapezoid flashes.
6	28	Green trapezoid jumps over the green circle.
6	29	The purple trapezoid loops around the green circle.
6	30	The purple trapezoid moves down one block.
		BREAK
7	31	The brown diamond moves up one block.
7	32	The purple trapezoid loops around it [The brown diamond].
7	33	The purple trapezoid jumps over the red diamond.
7	34	The red diamond moves left two blocks.
7	35	The purple rectangle moves right two blocks.
		BREAK
8	36	The brown circle moves left three blocks.
8	37	The brown circle moves down two blocks.
8	38	The brown circle loops around the purple rectangle.
8	39	The red diamond loops around the purple rectangle.
8	40	The purple rectangle jumps over the brown circle.
		BREAK
9	41	The red rectangle moves left one block.
9	42	The purple trapezoid moves up three blocks.
9	43	The purple trapezoid jumps over the green circle.
9	44	The green circle loops around it [the purple trapezoid].
9	45	The purple trapezoid jumps over the red rectangle.
9	46	The purple trapezoid moves down one block.
		BREAK
10	47	The red rectangle jumps over the green trapezoid.
10	48	The green trapezoid jumps over the green circle.
10	49	The green trapezoid loops around the green circle.
10	50	The purple rectangle loops around the green trapezoid.
		BREAK
11	51	The brown diamond jumps over the red rectangle.
11	52	The red rectangle jumps over the brown diamond.
11	53	The red rectangle loops around the brown diamond.
11	54	The brown circle jumps over the purple rectangle.
11	55	The purple rectangle wiggles.
		BREAK
12	56	The green circle moves down two blocks.
12	57	Green circle moves left two blocks.
12	58	The red diamond jumps over it [the green circle].
12	59	The red diamond flashes.
12	60	The red diamond moves right two blocks.
		BREAK
13	61	The purple trapezoid moves left two blocks.
13	62	The brown diamond loops around it [the purple trapezoid].
13	63	The red diamond jumps over the purple trapezoid.
13	64	The red diamond loops around thr purple trapezoid.
13	65	The red rectangle moves down three blocks.
		BREAK
14	66	The brown circle moves down two blocks.
14	67	The brown circle moves right three blocks.
14	68	The purple trapezoid moves down one block.
14	69	It [purple trapezoid] jumps over the brown circle.
14	70	The red rectangle loops around the brown circle.
14	71	The brown circle jumps over the brown diamond.
		BREAK
15	72	The red rectangle moves left two blocks.
15	73	The red rectangle moves up one block.
15	74	The red rectangle jumps over the green trapezoid.
15	75	The red rectangle jumps back over the green trapezoid.
15	76	The green trapezoid wiggles.
		BREAK
16	77	The purple rectangle moves down one block.
16	78	Purple rectangle loops around the green circle.
16	79	The green circle jumps over the purple rectangle.
16	80	The green circle loops around the purple rectangle.
16	81	The purple rectangle jumps over the red rectangle.
		BREAK
17	82	The brown diamond loops around the brown circle.
17	83	The brown diamond jumps over the brown circle.
17	84	The brown circle wiggles.
17	85	The red diamond moves left two blocks.
		BREAK
18	86	The brown circle flashes.
18	87	The green trapezoid jumps under the green circle.
18	88	The green circle jumps over the red diamond.
18	89	The green circle loops around the red diamond.
18	90	The red diamond flashes.
		BREAK
19	91	The green trapezoid moves right two blocks.
19	92	The green trapezoid loops around the red rectangle.
19	93	The red rectangle jumps over it.
19	94	The green trapezoid moves right one block.
19	95	The red rectangle moves left two blocks.
		BREAK
20	96	The brown diamond moves down three blocks.
20	97	The brown diamond loops around the purple rectangle.
20	98	The brown diamond jumps under the purple rectangle.
20	99	The green trapezoid jumps over the purple rectangle.
20	100	The purple rectangle jumps over the green trapezoid.
		BREAK
21	101	The purple trapezoid moves left two blocks.
21	102	The brown diamond loops around the purple trapezoid.
21	103	The green trapezoid jumps over the purple trapezoid.
21	104	The brown diamond jumps under the purple trapezoid.
21	105	The red rectangle wiggles.
		BREAK
22	106	The red rectangle jumps over the red diamond.
22	107	The green circle jumps over the red diamond.
22	108	The red diamond wiggles.
22	109	The purple trapezoid moves left two blocks.
22	110	The brown diamond moves left two blocks.
		BREAK
23	111	The purple rectangle flashes.
23	112	The red diamond loops around the green circle.
23	113	The green circle jumps over the purple trapezoid.
23	114	The purple trapezoid jumps over the brown diamond.
23	115	The brown diamond wiggles.
		BREAK
24	116	The red diamond moves right two blocks.
24	117	The brown circle loops around the red diamond.
24	118	The red diamond jumps over the red rectangle.
24	119	The red diamond moves down two blocks.
		BREAK
25	120	The brown circle moves down three blocks.
25	121	The brown circle moves left one block.
25	122	The green circle jumps over the red diamond.
25	123	The red diamond loops around the green circle.
25	124	The green circle flashes.
		BREAK
26	125	The purple rectangle loops around the brown circle.
26	126	The brown circle jumps over the purple rectangle.
26	127	The purple trapezoid moves left three blocks.
26	128	The purple rectangle moves left two blocks.
26	129	The purple rectangle moves up one block.
		BREAK
27	130	The green circle wiggles.
27	131	The brown diamond loops around the red diamond.
27	132	The purple rectangle loops around the red diamond.
27	133	The purple trapezoid loops around the red diamond.
27	134	The red diamond flashes.