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: when a body of water receives more water than it can hold , a flood occurs, Fact2: Flood probability is based on past floods., Question: How do we determine the probability of receiving more water than a body can hold? (A) evaporation (B) climate (C) The past (D) watershed (E) Dilution (F) energy usage (G) Temperature (H) salinity
[A]: C

[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
[A]: E

[Q]: Fact1: Mutation creates new genetic variation in a gene pool., Fact2: Adult genotypes reflect the genes they contribute to the gene pool., Question: Mutation creates new genetic variation in what? (A) Most plants (B) adult people (C) Veins and arteries. (D) chickens (E) adult genotypes (F) peachleaf willow (G) adult arms (H) adult variations
[A]:
E