Question: where does rh negative blood type come from
[{'answer': 'rhesus monkey', 'provenance': [{'wikipedia_id': '5622894', 'title': 'Rh blood group system', 'start_paragraph_id': 2, 'start_character': 199, 'end_paragraph_id': 2, 'end_character': 212, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '5622894', 'title': 'Rh blood group system', 'start_paragraph_id': 4, 'start_character': 10, 'end_paragraph_id': 4, 'end_character': 573, 'bleu_score': 0.792903865418469, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 9663458743667326533}, 'section': 'Section::::History of discoveries.\n'}]}]