{"answers": "C", "options": ["f : so as you said , the first hard rock cafe opened in san francisco .", "f : so as you said , the second hard rock cafe opened in london .", "f : so as you said , the first hard rock cafe opened in london .", "f : so as you said , the first hard rock cafe opened in istanbul ."], "article": "m : have you ever been to the hard rock cafe ? f : no . what is it ? m : it 's a rock and roll themed restaurant , but some locations are also hotels . it 's a chain so cities all over the world have them . there is one in san francisco . i was thinking about checking it out . would you like to join me ? f : sure , that sounds fun . m : the original cafe was founded in london in 1971. but since 2007 , the headquarters has been in florida . it did n't start to expand worldwide until 1982 and the one san francisco opened in 1984 .", "id": "train_3826"}