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").

Example Input: Fact1: darkness has a negative impact on photosynthesis, Fact2: Light is necessary for photosynthesis, a process that produces oxygen., Question: Darkness has a negative impact on which process of a plant? (A) slow and inefficient (B) chemical changes (C) circulatory systems (D) most organisms (E) fossil fuels (F) Abnormal cell growth (G) deoxyribonucleic acid (H) Oxygen production
Example Output: H

Example Input: Fact1: if an animal lives under ground then that animal will be protected from a wild fire, Fact2: Many squirrels live in burrows under the ground instead of in the trees., Question: Many squirrels are protected from what by their burrows (A) disease (B) wild fire (C) A virus (D) Wet weather (E) sun's heat (F) cold air (G) Winter (H) deforestation
Example Output: B

Example Input: Fact1: rocks interacting with wind over long periods of time causes weathering, Fact2: On Earth, rocks are weathered by wind and water, creating soil and sand., Question: Rocks interacting with what over time causes creation of soil and sand? (A) sound (B) light (C) wind (D) river (E) breath (F) stream (G) motion (H) force
Example Output:
C