Question: what is the role of antibodies in the immune response
[{'answer': 'neutralize pathogens', 'provenance': [{'wikipedia_id': '2362', 'title': 'Antibody', 'start_paragraph_id': 1, 'start_character': 154, 'end_paragraph_id': 1, 'end_character': 174, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '2362', 'title': 'Antibody', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 1310, 'bleu_score': 0.9635579344975431, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 9278902133677580293}, 'section': 'Section::::Abstract.'}]}]