Question: bt-cotton is genetically engineered by inserting a gene from a
[{'answer': 'Bt toxin', 'provenance': [{'wikipedia_id': '6241865', 'title': 'Bt cotton', 'start_paragraph_id': 3, 'start_character': 77, 'end_paragraph_id': 3, 'end_character': 85, 'bleu_score': 1.0, 'section': 'Section::::Description.\n'}]}, {'provenance': [{'wikipedia_id': '6241865', 'title': 'Bt cotton', 'start_paragraph_id': 3, 'start_character': 0, 'end_paragraph_id': 3, 'end_character': 854, 'bleu_score': 0.9850176677359421, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 8287562956551820958}, 'section': 'Section::::Description.\n'}]}]