Question: where is the hydrostatic pressure of the blood created
[{'answer': 'in blood vessels', 'provenance': [{'wikipedia_id': '527232', 'title': 'Hydrostatics', 'start_paragraph_id': 33, 'start_character': 34, 'end_paragraph_id': 33, 'end_character': 50, 'bleu_score': 1.0, 'section': 'Section::::Pressure in fluids at rest.:Medicine.\n'}]}, {'provenance': [{'wikipedia_id': '527232', 'title': 'Hydrostatics', 'start_paragraph_id': 33, 'start_character': 0, 'end_paragraph_id': 33, 'end_character': 142, 'bleu_score': 0.9181891462193901, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 9596310694401264508}, 'section': 'Section::::Pressure in fluids at rest.:Medicine.\n'}]}]