Question: a cretin is an individual who lacks which hormone
[{'answer': 'thyroid', 'provenance': [{'wikipedia_id': '6352', 'title': 'Congenital iodine deficiency syndrome', 'start_paragraph_id': 1, 'start_character': 176, 'end_paragraph_id': 1, 'end_character': 183, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '6352', 'title': 'Congenital iodine deficiency syndrome', 'start_paragraph_id': 1, 'start_character': 59, 'end_paragraph_id': 1, 'end_character': 260, 'bleu_score': 0.9243880458347601, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 9834111790499337181}, 'section': 'Section::::Abstract.'}]}]