Question: when did they start using gloves in ufc
[{'answer': 'UFC 14', 'provenance': [{'wikipedia_id': '169660', 'title': 'Ultimate Fighting Championship', 'start_paragraph_id': 24, 'start_character': 312, 'end_paragraph_id': 24, 'end_character': 318, 'bleu_score': 1.0, 'section': 'Section::::History.:Controversy and reform: late 1990s.\n'}]}, {'provenance': [{'wikipedia_id': '169660', 'title': 'Ultimate Fighting Championship', 'start_paragraph_id': 24, 'start_character': 0, 'end_paragraph_id': 24, 'end_character': 684, 'bleu_score': 0.9598415906376221, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 15614187652367672619}, 'section': 'Section::::History.:Controversy and reform: late 1990s.\n'}]}]