what good attractions are there in the city centre ?
{'service': 'attraction', 'act': 'request', 'slot_name': 'type', 'value': '?'} {'service': 'attraction', 'act': 'inform', 'slot_name': 'fee', 'value': 'free'} {'service': 'attraction', 'act': 'inform', 'slot_name': 'choice', 'value': 'over 40'}
there are over 40 of them , many of which are free , did you have anything more specific in mind ?