question: What requires light?
choices.text: bats rocks orange homes eyes lynx cats deep-sea dwellers
choices.label: A B C D E F G H
fact2: Humans see with our eyes.
combinedfact: eyes require light
formatted_question: What requires light? (A) bats (B) rocks (C) orange (D) homes (E) eyes (F) lynx (G) cats (H) deep-sea dwellers