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: the mass of a planet causes the pull of gravity on that planet, Fact2: Well, weight is the force on a object caused by gravity trying to pull the object down., Question: The mass of a planet causes the what? (A) harmful substances (B) global warming (C) weight of objects (D) It gets heated up (E) heat energy (F) to move people (G) kinetic energy (H) flow of electrons
Example Output: C

Example Input: Fact1: Earthworms are important deposit feeders that help form and enrich soil., Fact2: Tulips perform best in a sandy, organically enriched soil., Question: Earthworms help form and add what to soil (A) Sediment (B) organic material (C) Converting waste. (D) bacteria (E) heat (F) Chemical energy (G) grass (H) acidity
Example Output: B

Example Input: Fact1: cutting down trees has a negative impact on an ecosystem, Fact2: Oak trees are so strong., Question: What has a negative impact on an ecosystem? (A) massive damage (B) Pesticides (C) good weather (D) Destroy bridges (E) planting trees (F) normal water levels (G) deforestation (H) cutting down oaks
Example Output:
H