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: 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

A: F
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Q: Fact1: a delta is formed by deposition of sediment at the mouth of a river by water fanning out, Fact2: Rivers provide a water supply., Question: What is formed by deposition of sediment at the mouth of a water supply fanning out? (A) a hurricane (B) soils (C) a delta (D) an ocean (E) soft soil (F) an island (G) detritus (H) spring

A: C
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Q: Fact1: exercise increases a body 's strength, Fact2: Isometric exercise is a sustained contraction of large muscles, such as weight lifting., Question: Sustained contraction of large muscles in a body leads to what? (A) rapid expansion (B) increased body hair (C) prolactin release (D) recovery time from fatigue (E) increased IRA balance (F) increased pupil dilation (G) increased body strength (H) staying warm

A:
G
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