Table 2.

Number of participants and lengths of games in training data and test data.

	Train	Test
Maximum participants	12	12
Mean participants	9.58	9.73
Minimum participants	7	7
Maximum game length (days)	5	4
Mean game length (days)	3.21	3.07
Minimum game length (days)	1	2
The ratio of 3 days or shorter games	0.63	0.73
Mean exchanges per game	15.67	15.60
Mean sentences used per game	31.45	33.6
Mean words used per game	214.0	211.73