Question: what types of trees keep their leaves in the winter
[{'answer': 'deciduous trees', 'provenance': [{'wikipedia_id': '5875628', 'title': 'Marcescence', 'start_paragraph_id': 1, 'start_character': 583, 'end_paragraph_id': 1, 'end_character': 598, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '5875628', 'title': 'Marcescence', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 1356, 'bleu_score': 0.9485934305934991, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 11425318930169064759}, 'section': 'Section::::Abstract.'}]}]