Question: what is the closest relative to the triceratops
[{'answer': 'Torosaurus', 'provenance': [{'wikipedia_id': '54410', 'title': 'Triceratops', 'start_paragraph_id': 4, 'start_character': 374, 'end_paragraph_id': 4, 'end_character': 384, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '54410', 'title': 'Triceratops', 'start_paragraph_id': 76, 'start_character': 0, 'end_paragraph_id': 76, 'end_character': 610, 'bleu_score': 0.917945665118812, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 5215405429276149193}, 'section': 'Section::::Paleobiology.:Growth and ontogeny.:"Torosaurus" as growth stage of "Triceratops".\n'}]}]