question: what uses propulsion for flying?
choices.text: mammals kites jellyfish vertebrates angiosperm Apollo 13 chickens cars
choices.label: A B C D E F G H
fact2: Apollo 13 spacecraft is launched.
combinedfact: propulsion is used for flying by Apollo 13
formatted_question: what uses propulsion for flying? (A) mammals (B) kites (C) jellyfish (D) vertebrates (E) angiosperm (F) Apollo 13 (G) chickens (H) cars