Question: name the process of fusion of an egg with a sperm
[{'answer': 'fertilization', 'provenance': [{'wikipedia_id': '3016568', 'title': 'Human fertilization', 'start_paragraph_id': 0, 'start_character': 6, 'end_paragraph_id': 0, 'end_character': 19, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Human fertilization', 'provenance': [{'wikipedia_id': '3016568', 'title': 'Human fertilization', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 19, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '3016568', 'title': 'Human fertilization', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 311, 'bleu_score': 0.959574895300321, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 18332417365466289843}, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '3016568', 'title': 'Human fertilization', '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': 18332417365466289843}, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '3016568', 'title': 'Human fertilization', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 702, 'bleu_score': 0.9808590314834971, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 18332417365466289843}, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '357632', 'title': 'Mating', 'section': 'Section::::Abstract.', 'start_paragraph_id': 1, 'end_paragraph_id': 1, 'meta': {'evidence_span': ['"Fertilization" is the fusion of both sex cell or gamete.', '"Fertilization" is the fusion of both sex cell or gamete. "Copulation" is the union of the sex organs of two sexually reproducing animals for insemination and subsequent internal fertilization.', 'Fertilization']}}]}]