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").
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Question: Fact1: Marine species live mainly in shallow coastal waters., Fact2: Killer whales prefer shallow and colder coastal waters., Question: What are killer whales? (A) red and black (B) They have thick fur (C) dangerous (D) sharks (E) deep sea creatures (F) marine species (G) Absorb light (H) animals

Answer: F


Question: Fact1: medicine is used for curing people when they are sick, Fact2: People get sick and die., Question: What can medicine prevent? (A) wealth (B) sunlight (C) birth (D) ADHD (E) dying (F) Natural disaster (G) haze (H) danger

Answer: E


Question: Fact1: damming a river can cause a lake to form, Fact2: Beavers build dams., Question: What can cause lakes to form? (A) flooding (B) loose soil (C) rainfall (D) break off (E) heat (F) erosion (G) Beavers (H) spring

Answer:
G