Question: green house gases which is present in very high quantity is
[{'answer': 'Water vapor', 'provenance': [{'wikipedia_id': '21350772', 'title': 'Greenhouse gas', 'start_paragraph_id': 92, 'start_character': 0, 'end_paragraph_id': 92, 'end_character': 11, 'bleu_score': 1.0, 'section': 'Section::::Role of water vapor.\n'}]}]