Question: what do you call a person who officiates a wedding
[{'answer': 'marriage officiant', 'provenance': [{'wikipedia_id': '8198668', 'title': 'Marriage officiant', 'start_paragraph_id': 1, 'start_character': 2, 'end_paragraph_id': 1, 'end_character': 20, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'solemniser', 'provenance': [{'wikipedia_id': '8198668', 'title': 'Marriage officiant', 'start_paragraph_id': 1, 'start_character': 22, 'end_paragraph_id': 1, 'end_character': 32, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'vow master', 'provenance': [{'wikipedia_id': '8198668', 'title': 'Marriage officiant', 'start_paragraph_id': 1, 'start_character': 49, 'end_paragraph_id': 1, 'end_character': 59, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': "`` vow master ''"}, {'answer': "A marriage officiant , solemniser , or `` vow master ''"}, {'answer': "marriage officiant , solemniser , or `` vow master ''"}, {'provenance': [{'wikipedia_id': '8198668', 'title': 'Marriage officiant', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 109, 'bleu_score': 0.777811122305421, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 9931131589304844434}, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '8198668', 'title': 'Marriage officiant', 'section': 'Section::::Abstract.', 'start_paragraph_id': 1, 'end_paragraph_id': 1, 'meta': {'evidence_span': ['A marriage officiant, solemniser, Celebrant, or "vow master" is a person who officiates at a wedding ceremony. Some nonreligious couples get married by a government official such as a judge, mayor or justice of the peace.', 'A marriage officiant, solemniser, Celebrant, or "vow master" is a person who officiates at a wedding ceremony. Some nonreligious couples get married by a government official such as a judge, mayor or justice of the peace', 'A marriage officiant, solemniser, Celebrant, or "vow master" is a person who officiates at a wedding ceremony. Some nonreligious couples get married by a government official such as a judge, mayor or justice of the peace.']}}]}]