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").

Input: Consider Input: Fact1: decomposition increases amount of organic matter in soil, Fact2: Fungi are involved in decomposition, as well., Question: What can help increase the amount of organic matter in soil? (A) Fungi (B) mussels (C) pine (D) worms (E) animals (F) Enzymes (G) solutes (H) trees

Output: A

Input: Consider Input: Fact1: Animals can communicate with sounds, chemicals, or visual cues., Fact2: Unlike animal communication, properly human communication is abstract and linguistic in nature., Question: Which of the following do humans not use to communicate? (A) chemicals. (B) limb amputation (C) emissions (D) sweating (E) smoking pipes (F) dry conditions (G) visible energy (H) heat or cold

Output: A

Input: Consider Input: Fact1: Ozone depletion results in higher levels of UV radiation reaching Earth., Fact2: Fast Facts 1985 Scientists discover a hole in the ozone layer of the atmosphere over Antarctica., Question: Where do higher levels of UV radiation reach Earth through? (A) tea (B) rays or beams (C) atmospheric holes (D) skin (E) sunscreen (F) the environment (G) Power plants (H) during the day
Output: C