question: What was used to fly Apollo 13?
choices.text: weater warmer air oxygen Otoacoustic lethargy foot power propulsion fluid
choices.label: A B C D E F G H
fact2: Apollo 13 spacecraft is launched.
combinedfact: Propulsion was used for flying Apollo 13.
formatted_question: What was used to fly Apollo 13? (A) weater (B) warmer air (C) oxygen (D) Otoacoustic (E) lethargy (F) foot power (G) propulsion (H) fluid