input: David William Hutchison [SEP] military branch
meta.obj_surface: United States Air Force USAF Air Force United States Air Force (USAF) US Air Force US Airmen
meta.sub_surface: David William Hutchison
output.answer: United States Air Force
output.annotation_id: -1
output.section: Section::::Abstract.
output.title: David William Hutchison
output.wikipedia_id: 28672020
output.answer: USAF
output.answer: U.S. Air Force
output.answer: US Air Force