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: Most modern gymnosperms are trees with woody trunks., Fact2: Gymnosperms are the plants that are known as evergreens., Question: What trees have woody trunks? (A) trees (B) vegetation (C) evergeeen (D) more abundant (E) it needs them (F) graptolites (G) Leeuwenhoek (H) cacti

A: C
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Q: Fact1: killing microorganisms in food can be used to extend the shelf life of that food, Fact2: Cooking kills the microorganisms., Question: What can extend the shelf life of food? (A) cooking it (B) Enzymes (C) evaporation (D) rays or beams (E) running it under water (F) Proteins (G) seasoning it (H) putting it on a counter

A: A
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Q: Fact1: Competition may lead to aggressive behaviors or displays of aggression., Fact2: Social aggression is characterized by a dog that demonstrates a deep grumbling bark., Question: What can lead to a dog demonstrating a deep grumbling bark? (A) sensory neurons (B) reduced heat (C) competition (D) Decibels (E) friction (F) Damaged hearing (G) matter vibrating (H) adding heat

A:
C
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