Question: where is the mesophyll located in a plant
[{'answer': 'In leaves', 'provenance': [{'wikipedia_id': '3094833', 'title': 'Vascular tissue', 'start_paragraph_id': 5, 'start_character': 0, 'end_paragraph_id': 5, 'end_character': 9, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '3094833', 'title': 'Vascular tissue', 'start_paragraph_id': 5, 'start_character': 0, 'end_paragraph_id': 5, 'end_character': 418, 'bleu_score': 0.937535115907385, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 7822629399325964412}, 'section': 'Section::::Abstract.'}]}]