In this task, you are given a multiple-choice question and you have to pick the correct option. Answer with option indexes (i.e., "A", "B", "C", and "D").

[EX Q]: Which would create the most pollution (A) animals (B) rivers (C) smoke stacks (D) toxicity
[EX A]: C

[EX Q]: In the 60's people watched on TV while for the first time people walked on (A) a high rooftop in a major city (B) a satellite without much air in our solar system (C) the edge of a cliff in the mountains (D) a beach in Brazil
[EX A]: B

[EX Q]: Which is more accurate? (A) an ant gets food from photosynthesis (B) a dog gets food from photosynthesis (C) a gorilla gets food from photosynthesis (D) a palm tree gets food from photosynthesis
[EX A]:
D