In this task, you are given two facts, and a multiple-choice question. Based on the given facts, answer the question with index of the correct option (e.g, "A").

[Q]: Fact1: Playing is one way mammals and other animals learn how to behave., Fact2: Opossums are a type of mammal called marsupials., Question: what plays to learn how to behave? (A) opossums (B) humans (C) people (D) fish (E) exercise (F) ants (G) h2o (H) catabolism
[A]: A


[Q]: Fact1: Plants use cellulose for their cell walls., Fact2: Basically, fiber is cellulose ., Question: What is made from cell walls? (A) water (B) blood (C) cells (D) sugar (E) a path (F) fiber (G) moss (H) Carbon
[A]: F


[Q]: Fact1: Most reptiles have good eyesight and a keen sense of smell., Fact2: Geckos are, in fact, reptiles., Question: What has good eyesight and a keen sense of smell? (A) camels (B) lilac (C) gecko (D) tulip (E) bats (F) toads (G) amoeba (H) Birds
[A]:
C