Question: to hold greater quantities of liquid or gas a rock should have
[{'answer': 'porosity', 'provenance': [{'wikipedia_id': '2910801', 'title': 'Petroleum reservoir', 'start_paragraph_id': 1, 'start_character': 454, 'end_paragraph_id': 1, 'end_character': 462, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '2910801', 'title': 'Petroleum reservoir', 'start_paragraph_id': 43, 'start_character': 0, 'end_paragraph_id': 43, 'end_character': 517, 'bleu_score': 0.8839082401190511, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 8121145057708172386}, 'section': 'Section::::Estimating reserves.\n'}]}]