question: What are trucks and cars used for?
choices.text: Pollution Travel food damaging Walking safety heating Taking up space
choices.label: A B C D E F G H
fact2: Trucks and cars are vehicles.
combinedfact: Trucks and cars are used for travel
formatted_question: What are trucks and cars used for? (A) Pollution (B) Travel (C) food (D) damaging (E) Walking (F) safety (G) heating (H) Taking up space