Question: how do you separate the cell components from the liquid portion of blood
[{'answer': 'centrifuging', 'provenance': [{'wikipedia_id': '4931186', 'title': 'Blood fractionation', 'start_paragraph_id': 1, 'start_character': 134, 'end_paragraph_id': 1, 'end_character': 146, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '4931186', 'title': 'Blood fractionation', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 156, 'bleu_score': 0.9181891462193901, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 9573745446490161047}, 'section': 'Section::::Abstract.'}]}]