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: Steroid hormones are made of lipids, such as phospholipids and cholesterol., Fact2: Fats are known as lipids., Question: What are steroid hormones made of? (A) bacteria (B) fats (C) sugar (D) muscle (E) H 2 O (F) sunlight (G) the Sun (H) SO2
[EX A]: B

[EX Q]: Fact1: lightning can cause a forest fire, Fact2: Forest fires are bad for the environment., Question: Lightning can be bad for what? (A) the environment (B) rainstorms (C) destruction (D) visibility (E) thunder (F) the sun (G) The weather. (H) transportation
[EX A]: A

[EX Q]: Fact1: Specialization occurs when competing species evolve different adaptations., Fact2: Mynah birds are the main competing species for nest holes., Question: What can Mynah birds undergo to compete for nest holes? (A) layers of fat (B) weaponization (C) permineralization (D) specialization (E) personification (F) adding heat (G) Temperature changing (H) bacteria
[EX A]:
D