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: if gas is heated then that gas will expand, Fact2: If more space between 2 galaxies more space to expand so it moves away faster., Question: When gas is heated, it takes up more: (A) solutes (B) plasma (C) fluidity (D) energy (E) space (F) viscosity (G) matter (H) Energy.
[EX A]: E

[EX Q]: Fact1: threatening behavior by predators causes a porcupine to extend its quills, Fact2: Puffers are smooth skinned while Porcupines have the characteristic spines or quills., Question: What does a porcupine do with its spines when it's threatened? (A) killing insects (B) Shoot them (C) kill them (D) protect them (E) Extend them (F) Shed them (G) Retract them (H) behave
[EX A]: E

[EX Q]: Fact1: shelter is used for protection by animals against weather, Fact2: All kinds of weather are discussed including hurricanes., Question: What protects animals in the event of a hurricane? (A) loose soil (B) shelter (C) wind (D) sunshine (E) trees (F) appendages (G) clouds (H) Collagen
[EX A]:
B