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: if soil is permeable then water easily flows through that soil, Fact2: Sandy soils are permeable., Question: Water easily flows through what? (A) streams. (B) streams (C) coral reefs (D) sandy soils (E) aqueous solution (F) swamp vegetation (G) calcite (H) Sediment
Example Output: D

Example Input: Fact1: Rivers are usually larger than streams., Fact2: Watersheds are creeks, streams and rivers., Question: What is a river also? (A) storing water (B) loose soil (C) dangerous (D) fertile (E) more abundant (F) watershred (G) body water (H) kinetic
Example Output: F

Example Input: Fact1: absorbing sunlight causes objects to heat, Fact2: Leaves absorb sunlight., Question: what causes objects to heat? (A) the sun (B) voltage (C) wind (D) energy (E) photons (F) leaves (G) Energy. (H) Light
Example Output:
F