Question: a type of hormone that the adrenal medulla secretes is a
[{'answer': 'epinephrine', 'provenance': [{'wikipedia_id': '471415', 'title': 'Adrenal medulla', 'start_paragraph_id': 1, 'start_character': 215, 'end_paragraph_id': 1, 'end_character': 226, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'norepinephrine', 'provenance': [{'wikipedia_id': '471415', 'title': 'Adrenal medulla', 'start_paragraph_id': 1, 'start_character': 241, 'end_paragraph_id': 1, 'end_character': 255, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'dopamine', 'provenance': [{'wikipedia_id': '471415', 'title': 'Adrenal medulla', 'start_paragraph_id': 1, 'start_character': 295, 'end_paragraph_id': 1, 'end_character': 303, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '471415', 'title': 'Adrenal medulla', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 367, 'bleu_score': 0.87540210596635, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 6161226149275309277}, 'section': 'Section::::Abstract.'}]}]