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: carpooling decreases the amount of cars used to travel to a place, Fact2: Carpooling cuts down on congestion and pollution., Question: What decreases when we decrease the amount of cars traveling to one place? (A) Temperature (B) Heart rate (C) Climate change (D) Pollution (E) Clean air (F) forces (G) Burning fossil fuels (H) gene flow
Example Output: D

Example Input: Fact1: mechanical weathering is when rocks are broken down by mechanical means, Fact2: Water is a mechanical weathering force., Question: What weathers rocks? (A) soil (B) streams (C) a delta (D) calcite (E) erosion (F) water (G) grass (H) the sun
Example Output: F

Example Input: Fact1: Aggression is behavior that is intended to cause harm or pain., Fact2: Dog aggression is any behavior meant to intimidate or harm a person or another animal., Question: What does an aggressive dog want to do when angry? (A) Harm (B) struck (C) reacts (D) Sleep (E) Eat (F) Run (G) kicked (H) charge
Example Output:
A