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: 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
[A]: B


[Q]: Fact1: Tunicates reproduce sexually., Fact2: Sea squirts are the best known tunicates., Question: what reproduces sexually? (A) orchids (B) mountains (C) viruses (D) humans (E) sea squirts (F) Most plants (G) h2o (H) insects
[A]: E


[Q]: Fact1: measuring the hardness of minerals requires scratching those materials, Fact2: Moh's scale is used to describe a mineral's hardness., Question: What is done to a mineral to determine its place on the Moh's scale? (A) scratch (B) keratin (C) Laboratory (D) classified (E) treatment (F) surveyor (G) percents (H) as a base
[A]:
A