question: what spray a cloud for hiding from predators
choices.text: primates VOCs and NOx Corvidae arthropods organisms frogs Octopuses flowers
choices.label: A B C D E F G H
formatted_question: what spray a cloud for hiding from predators (A) primates (B) VOCs and NOx (C) Corvidae (D) arthropods (E) organisms (F) frogs (G) Octopuses (H) flowers