Question: what are the big rolls of hay called
[{'answer': 'round bales', 'provenance': [{'wikipedia_id': '46593', 'title': 'Hay', 'start_paragraph_id': 22, 'start_character': 539, 'end_paragraph_id': 22, 'end_character': 550, 'bleu_score': 1.0, 'section': 'Section::::Making and transporting hay.\n'}]}, {'provenance': [{'wikipedia_id': '46593', 'title': 'Hay', 'start_paragraph_id': 22, 'start_character': 0, 'end_paragraph_id': 22, 'end_character': 903, 'bleu_score': 0.9880591662583851, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 4483801877849930737}, 'section': 'Section::::Making and transporting hay.\n'}]}]