passages.id: 1.0alpha7.train.40.sent
passages.type: sentence
passages.text: In an effort to identify the  PG that binds to  IFN-gamma, we performed Western blot analysis.  
coreferences.id: 1.0alpha7.train.40.coref0
coreferences.entity_ids: 1.0alpha7.train.40.ent0_0
coreferences.id: 1.0alpha7.train.40.coref1
coreferences.entity_ids: 1.0alpha7.train.40.ent1_0