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").

Input: Consider Input: Fact1: a battery converts chemical energy into electrical energy, Fact2: Electricity is a form of energy and is sometimes called electrical energy., Question: How does a battery work? (A) dormant state (B) hydrogen and oxygen (C) Throwing it away (D) Charging it (E) It converts power (F) Plugging it in (G) It remains dormant (H) to move people

Output: E

Input: Consider Input: Fact1: seeing requires light, Fact2: Vision is our ability to see., Question: What is required for vision? (A) light (B) goggles (C) food (D) smell (E) hormones (F) Protein (G) color (H) hue

Output: A

Input: Consider Input: Fact1: Cnidarians are invertebrates such as jellyfish and corals., Fact2: Cnidarians are also called coelenterates., Question: What are invertebrates such as jellyfish and corals? (A) phylum (B) prokaryotic cells (C) holding nutrients (D) angiosperm (E) fish (F) genus (G) coelenterates (H) flexible
Output: G