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").

[EX Q]: Fact1: Hagfish are noted for secreting large amounts of thick, slimy mucus., Fact2: Hagfish and lampreys have no internal hard tissues at all., Question: Creatures that have no internal hard tissues at all are noted for what-ing large amounts of thick,? (A) space between (B) protection (C) secreting (D) coarse grit (E) dandelions (F) sponges (G) tiny hairs (H) Therapsids
[EX A]: C

[EX Q]: Fact1: All animals are heterotrophs., Fact2: Heterotrophic bacteria derive energy from the breakdown of organic molecules., Question: What derive energy from the breakdown of organic molecules? (A) Most plants (B) hydrocarbons (C) potatoes (D) all stones (E) all water sources (F) all mountains (G) all animals (H) Generating heat
[EX A]: G

[EX Q]: Fact1: Playing is one way mammals and other animals learn how to behave., Fact2: Cats are Mammals that Shed Dogs are Mammals that Wag their tails., Question: What is one way dogs learn to behave? (A) exercise (B) mating (C) ligt (D) playing (E) parties (F) slumber (G) firm hugs (H) Movement
[EX A]:
D