question: What can pulleys prevent humans from doing?
choices.text: A hinged joint Making money Getting smart Stomata closing braking spread of disease a criminal act Getting hurt
choices.label: A B C D E F G H
formatted_question: What can pulleys prevent humans from doing? (A) A hinged joint (B) Making money (C) Getting smart (D) Stomata closing (E) braking (F) spread of disease (G) a criminal act (H) Getting hurt