passages.id: 1.0alpha7.train.1167.sent
passages.type: sentence
passages.text: In addition to binding  Nck  in vitro,  NIK also bound  Nck in cells.
coreferences.id: 1.0alpha7.train.1167.coref0
coreferences.entity_ids: 1.0alpha7.train.1167.ent0_0
coreferences.id: 1.0alpha7.train.1167.coref1
coreferences.entity_ids: 1.0alpha7.train.1167.ent1_0 1.0alpha7.train.1167.ent2_1