question: what are used for travel?
choices.text: The Alps pogo sticks couches trucks and cars snow, ice, and rock seatbelts chemical messengers permeable walls
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 used for travel? (A) The Alps (B) pogo sticks (C) couches (D) trucks and cars (E) snow, ice, and rock (F) seatbelts (G) chemical messengers (H) permeable walls