Question: what kind of trees keep their leaves all year round
[{'answer': 'evergreen', 'provenance': [{'wikipedia_id': '66719', 'title': 'Evergreen', 'start_paragraph_id': 1, 'start_character': 14, 'end_paragraph_id': 1, 'end_character': 23, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '66719', 'title': 'Evergreen', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 272, 'bleu_score': 0.708889290135557, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 17700080628250386026}, 'section': 'Section::::Abstract.'}]}]