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: Evolution is a change in the characteristics of living things over time., Fact2: Evolution relies on random chance acts to cause mutations., Question: What causes changes in characteristics of living things over time? (A) mutations (B) science (C) parents (D) environment (E) light energy (F) news (G) alleles (H) animals

Output: A


Input: Consider Input: Fact1: a plant requires sunlight to grow, Fact2: During the day, sunlight warms the soil., Question: When do plants grow the most? (A) week days (B) during the day (C) during winter days (D) bloom time (E) one celled organisms (F) by indirect light (G) in the morning (H) in the autumn season

Output: B


Input: Consider Input: Fact1: weathering means breaking down rocks from larger whole into smaller pieces by weather, Fact2: Erosion begins with the weathering, or breaking down, of rocks and soil., Question: Erosion breaks rocks down from larger parts into what? (A) river (B) ground (C) soil (D) small (E) dirt (F) tiny (G) crust (H) sand


Output: C