Question: where are fetal pigs found growing in their mother
[{'answer': 'the uterus', 'provenance': [{'wikipedia_id': '1459978', 'title': 'Fetal pig', 'start_paragraph_id': 17, 'start_character': 204, 'end_paragraph_id': 17, 'end_character': 214, 'bleu_score': 1.0, 'section': 'Section::::Development.:Prenatal development.\n'}]}, {'provenance': [{'wikipedia_id': '1459978', 'title': 'Fetal pig', 'start_paragraph_id': 17, 'start_character': 0, 'end_paragraph_id': 17, 'end_character': 1149, 'bleu_score': 0.9897168820997221, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 9154562013513568431}, 'section': 'Section::::Development.:Prenatal development.\n'}]}]