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 Input:
Fact1: pathogens can cause disease, Fact2: Fungi are significant pathogens., Question: What can fungi do? (A) protect them (B) survive (C) Spread disease (D) migrate (E) hydrate their cells (F) decrease stamina (G) reproduce (H) aerobic capacity

Ex Output:
C


Ex Input:
Fact1: if heat is conducted to an object then that object will become hot, Fact2: Metals vary in their capacity to conduct heat., Question: What can happen if a metal is heated? (A) change chemical composition (B) refract energy (C) they bend (D) It expands (E) electricity (F) Relieve pain (G) maintains core temperature (H) becomes hot

Ex Output:
H


Ex Input:
Fact1: Mollusks are a major food source for other organisms, including humans., Fact2: Mollusks are invertebrates and are no exception., Question: What is a major food source for other organisms, including humans? (A) gastropod shells (B) orchids (C) invertebrates (D) swamp vegetation (E) Most plants (F) insects (G) barnacles (H) animals

Ex Output:

C