passages.id: 1.0alpha7.train.1128.sent
passages.type: sentence
passages.text: Point mutations introduced into the  CTCF binding site of  mouse 3'HS1 are in boldface and underlined.
coreferences.id: 1.0alpha7.train.1128.coref0
coreferences.entity_ids: 1.0alpha7.train.1128.ent0_0
coreferences.id: 1.0alpha7.train.1128.coref1
coreferences.entity_ids: 1.0alpha7.train.1128.ent1_0
coreferences.id: 1.0alpha7.train.1128.coref2
coreferences.entity_ids: 1.0alpha7.train.1128.ent2_0