Table 2.

Statistics on the three data sets provided by the BioNLP task.

	Training	Development	Test
Abstracts	800	150	260
Sentences	7,449	1,450	2,447
Words	176,146	33,937	57,367
Gene expression events	1,738	356	722
Protein catabolism events	111	21	14
Transcription events	576	82	137
Phosphorylation events	169	47	135