{"answers": "D", "options": ["f : so helen went to san francisco on vacation to meet a friend .", "f : helen ! could you tell me why do you want to tour a university ?", "f : you mean bob went to san francisco to visit his sister .", "f : how do you feel after visiting your sister in san francisco ?"], "article": "f : where did you go on vacation ? m : i went to san francisco , it 's a really pretty city . f : why san francisco ? m : oh my sister works there . i stayed with her . she loves shopping , so we went shopping every day . look , i got this sweater .", "id": "dev_144"}