Question: which type of air pressure is associated with warm air rising
[{'answer': 'Low - pressure', 'provenance': [{'wikipedia_id': '475199', 'title': 'Low-pressure area', 'start_paragraph_id': 2, 'start_character': 353, 'end_paragraph_id': 2, 'end_character': 371, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '475199', 'title': 'Low-pressure area', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 890, 'bleu_score': 0.9792374981489451, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 17808599348955903387}, 'section': 'Section::::Abstract.'}]}]