Question: what is the purpose of a wet suit
[{'answer': 'thermally insulates the wearer', 'provenance': [{'wikipedia_id': '326538', 'title': 'Diving suit', 'start_paragraph_id': 19, 'start_character': 166, 'end_paragraph_id': 19, 'end_character': 196, 'bleu_score': 1.0, 'section': 'Section::::Ambient pressure suits.:Wetsuits.\n'}]}, {'provenance': [{'wikipedia_id': '326538', 'title': 'Diving suit', 'start_paragraph_id': 19, 'start_character': 0, 'end_paragraph_id': 19, 'end_character': 420, 'bleu_score': 0.825387966830682, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 18077049021352326357}, 'section': 'Section::::Ambient pressure suits.:Wetsuits.\n'}]}]