Table 2.

The samples of the experiment problems.

Categorization	Sample	h	$g$	$i$	$w$	$m,m^{\prime }$	$e,r,t$
Small	S1	2	1	2	1	4	1,1,1
	S2	3	2	2	2	4	2,2,3
	S3	3	3	2	2	6	2,3,4
	S4	4	3	3	3	6	2,3,4
Medium	M5	8	6	4	4	12	4,4,6
	M6	10	8	6	5	14	4,5,6
	M7	10	10	6	5	20	5,5,7
	M8	12	12	8	8	28	5,6,7
Large	L9	18	14	12	10	34	6,7,8
	L10	22	16	16	10	64	7,8,8
	L11	30	18	20	12	84	8,9,10
	L12	36	22	22	14	120	9,10,10