passages.id: 1.0alpha7.train.883.sent
passages.type: sentence
passages.text: It is also possible that both  PR and the  carboxyl-terminal PR binding motif of  RIZ1 may interact with other as yet  unidentified proteins.
coreferences.id: 1.0alpha7.train.883.coref0
coreferences.entity_ids: 1.0alpha7.train.883.ent0_0 1.0alpha7.train.883.ent1_1
coreferences.id: 1.0alpha7.train.883.coref1
coreferences.entity_ids: 1.0alpha7.train.883.ent2_0
coreferences.id: 1.0alpha7.train.883.coref2
coreferences.entity_ids: 1.0alpha7.train.883.ent3_0