Question: what power does the senate have in impeachment
[{'answer': 'to convict or acquit', 'provenance': [{'wikipedia_id': '1795376', 'title': 'Impeachment in the United States', 'start_paragraph_id': 59, 'start_character': 693, 'end_paragraph_id': 59, 'end_character': 713, 'bleu_score': 1.0, 'section': 'Section::::Federal impeachment.:Procedure.:Senate: Trial.\n'}]}, {'provenance': [{'wikipedia_id': '1795376', 'title': 'Impeachment in the United States', 'start_paragraph_id': 59, 'start_character': 633, 'end_paragraph_id': 59, 'end_character': 1098, 'bleu_score': 0.6692000213020131, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 11637902049382140636}, 'section': 'Section::::Federal impeachment.:Procedure.:Senate: Trial.\n'}]}]