what s your favorite college to visit in cambridge ?
{'service': 'attraction', 'act': 'request', 'slot_name': 'area', 'value': '?'} {'service': 'attraction', 'act': 'recommend', 'slot_name': 'area', 'value': 'center '} {'service': 'attraction', 'act': 'recommend', 'slot_name': 'name', 'value': "christ's college"} {'service': 'attraction', 'act': 'inform', 'slot_name': 'choice', 'value': 'many '}
i like christ s college in the center of town , but there are many others throughout the city . what part of the city did you want to visit ?