Question: who determines the offer price in a dutch auction
[{'answer': 'the auctioneer', 'provenance': [{'wikipedia_id': '663444', 'title': 'Dutch auction', 'start_paragraph_id': 1, 'start_character': 105, 'end_paragraph_id': 1, 'end_character': 119, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '663444', 'title': 'Dutch auction', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 510, 'bleu_score': 0.977139080690077, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 2045510745089179168}, 'section': 'Section::::Abstract.'}]}]