Question: difference between bid and offer in stock market
[{'answer': 'the bid -- ask spread'}, {'provenance': [{'wikipedia_id': '1904366', 'title': 'Bid price', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 141, 'bleu_score': 0.929712191543383, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 4397213362765905447}, 'section': 'Section::::Abstract.'}]}]