Question: what is the cross on a letter t called
[{'answer': 'crossbar', 'provenance': [{'wikipedia_id': '28696769', 'title': 'Typeface anatomy', 'start_paragraph_id': 6, 'start_character': 466, 'end_paragraph_id': 6, 'end_character': 474, 'bleu_score': 1.0, 'section': 'Section::::Strokes.\n'}]}, {'answer': 'arm', 'provenance': [{'wikipedia_id': '28696769', 'title': 'Typeface anatomy', 'start_paragraph_id': 6, 'start_character': 548, 'end_paragraph_id': 6, 'end_character': 551, 'bleu_score': 1.0, 'section': 'Section::::Strokes.\n'}]}, {'provenance': [{'wikipedia_id': '28696769', 'title': 'Typeface anatomy', 'section': 'Section::::Strokes.\n', 'start_paragraph_id': 6, 'end_paragraph_id': 6, 'meta': {'evidence_span': ['crossbars', 'A short horizontal stroke, as in the center of and the middle stroke of , is called a "bar". Strokes that connect, as in and , or cross other strokes, as in , are also known as crossbars. A longer horizontal stroke at the top or bottom, as in , is called an "arm."']}}]}]