Question: which body system differentiates a male from a female
[{'answer': 'the type of gonads', 'provenance': [{'wikipedia_id': '38871977', 'title': 'Sex differences in humans', 'start_paragraph_id': 1, 'start_character': 185, 'end_paragraph_id': 1, 'end_character': 203, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'the sex hormones', 'provenance': [{'wikipedia_id': '38871977', 'title': 'Sex differences in humans', 'start_paragraph_id': 1, 'start_character': 205, 'end_paragraph_id': 1, 'end_character': 221, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'the external genitalia', 'provenance': [{'wikipedia_id': '38871977', 'title': 'Sex differences in humans', 'start_paragraph_id': 1, 'start_character': 283, 'end_paragraph_id': 1, 'end_character': 305, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'reproductive', 'provenance': [{'wikipedia_id': '38871977', 'title': 'Sex differences in humans', 'start_paragraph_id': 1, 'start_character': 236, 'end_paragraph_id': 1, 'end_character': 248, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'the presence or absence of a Y chromosome'}, {'answer': 'the internal reproductive anatomy ( such as the uterus in females )'}, {'answer': 'endocrine ( hormonal ) systems and their physiological and behavioral effects , including gonadal differentiation , internal and external genital and breast differentiation , and differentiation of muscle mass , height , and hair distribution'}, {'provenance': [{'wikipedia_id': '38871977', 'title': 'Sex differences in humans', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 500, 'bleu_score': 0.729375185097453, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 12353428785989205394}, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '38871977', 'title': 'Sex differences in humans', 'start_paragraph_id': 16, 'start_character': 0, 'end_paragraph_id': 16, 'end_character': 562, 'bleu_score': 0.9754554449993441, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 12353428785989205394}, 'section': 'Section::::Physiology.\n'}]}, {'provenance': [{'wikipedia_id': '38871977', 'title': 'Sex differences in humans', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 0, 'bleu_score': 1.0, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 12353428785989205394}, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '635892', 'title': 'Sexual differentiation', 'section': 'Section::::Abstract.', 'start_paragraph_id': 1, 'end_paragraph_id': 1, 'meta': {'evidence_span': ['Sexual differentiation is the process of development of the differences between males and females from an undifferentiated zygote. As male and female individuals develop from zygotes into fetuses, into infants, children, adolescents, and eventually into adults, sex and gender differences at many levels develop: genes, chromosomes, gonads, hormones, anatomy, and psyche.', 'Sexual differentiation is the process of development of the differences between males and females from an undifferentiated zygote. As male and female individuals develop from zygotes into fetuses, into infants, children, adolescents, and eventually into adults, sex and gender differences at many levels develop: genes, chromosomes, gonads, hormones, anatomy, and psyche.']}}]}, {'provenance': [{'wikipedia_id': '38871977', 'title': 'Sex differences in humans', 'section': 'Section::::Abstract.', 'start_paragraph_id': 1, 'end_paragraph_id': 1, 'meta': {'evidence_span': ["Sex differences in humans have been studied in a variety of fields. In humans, biological sex is determined by five factors present at birth: the presence or absence of a Y chromosome, the type of gonads, the sex hormones, the internal reproductive anatomy (such as the uterus), and the external genitalia. Genetic sex is determined solely by the presence or absence of a Y chromosome. Phenotypic sex refers to an individual's sex as determined by their internal and external genitalia, expression of secondary sex characteristics, and behavior.", 'the type of gonads, the sex hormones, the internal reproductive anatomy (such as the uterus), and the external genitalia. Genetic sex is determined solely by the pr', "Sex differences in humans have been studied in a variety of fields. In humans, biological sex is determined by five factors present at birth: the presence or absence of a Y chromosome, the type of gonads, the sex hormones, the internal reproductive anatomy (such as the uterus), and the external genitalia. Genetic sex is determined solely by the presence or absence of a Y chromosome. Phenotypic sex refers to an individual's sex as determined by their internal and external genitalia, expression of secondary sex characteristics, and behavior."]}}]}]