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: Nonmetal elements are far fewer in number., Fact2: Elements to the right of the semiconductors are Nonmetals., Question: Elements to the right of the semiconductors are far what in number? (A) size (B) hole (C) fewer (D) eight (E) calcium (F) several (G) solid (H) shells
[EX A]: C

[EX Q]: 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
[EX A]: E

[EX Q]: Fact1: Freshwater biomes have water that contains little or no salt., Fact2: Another name for salt is sodium., Question: Freshwater biomes contain water that contains little to no what? (A) cations (B) Acids (C) Nutrients (D) sodium (E) Pollution (F) animals (G) plants (H) water
[EX A]:
D