Question: which parts of mustard plant can be eaten
[{'answer': 'Mustard seed', 'provenance': [{'wikipedia_id': '2028368', 'title': 'Mustard plant', 'start_paragraph_id': 1, 'start_character': 100, 'end_paragraph_id': 1, 'end_character': 112, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'edible leaves', 'provenance': [{'wikipedia_id': '2028368', 'title': 'Mustard plant', 'start_paragraph_id': 1, 'start_character': 316, 'end_paragraph_id': 1, 'end_character': 329, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '2028368', 'title': 'Mustard plant', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 360, 'bleu_score': 0.8796804534873941, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 10505258811588328927}, 'section': 'Section::::Abstract.'}]}]