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: Most protists have motility., Fact2: Protists are single-celled microscopic organisms like amoebae., Question: _ have motility (A) amoebae (B) plants (C) properties (D) minerals (E) fungi (F) movement (G) hydration (H) complex
Example Output: 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: a sandbar is formed by water moving sediment downstream, Fact2: Sandbars are preferred nesting habitat., Question: What type of habitat can be formed by sediment moved downstream by water? (A) watershred (B) caves (C) desert (D) coral reef (E) savannah (F) streams (G) loose soil (H) nesting
Example Output:
H