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: lakes are formed by precipitation and runoff, Fact2: Runoff from precipitation is a natural part of the water cycle., Question: What are some of the steps that forms a lake? (A) decomposition and respiration (B) storing water (C) photosynthesis and solar energy (D) near the shoreline (E) precipitation and run-off (F) perspiration and excretion (G) The area was once underwater (H) At the peak of a mountain
Example Output: E

Example Input: Fact1: a light bulb converts electrical energy into light energy when it is turned on, Fact2: Light bulbs are rated in Watts., Question: How is converted energy into light energy rated? (A) energy (B) unique (C) heat (D) good (E) watts (F) parsec (G) kilojoule (H) kinetic energy
Example Output: E

Example Input: Fact1: Head hair is especially important in preventing heat loss from the body., Fact2: Hats The number area for heat loss on the body is the head., Question: What prevent heat loss from the body after losing hair? (A) gloves (B) skin (C) shoes (D) hats (E) sweat (F) cocoa (G) Masks (H) fur
Example Output:
D