hi , could you tell me some attractions in cambridge ?
{'service': 'attraction', 'act': 'inform', 'slot_name': 'fee', 'value': 'free entrance'} {'service': 'attraction', 'act': 'inform', 'slot_name': 'type', 'value': 'museums'} {'service': 'attraction', 'act': 'inform', 'slot_name': 'name', 'value': 'holy trinity church'} {'service': 'attraction', 'act': 'inform', 'slot_name': 'addr', 'value': 'market st.'} {'service': 'attraction', 'act': 'inform', 'slot_name': 'choice', 'value': 'some'} {'service': 'attraction', 'act': 'inform', 'slot_name': 'choice', 'value': ' most'}
hello , there are some wonderful museums and most of them are free entrance . we have holy trinity church located on market st .