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: 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: Insulin helps cells take up glucose from the blood., Fact2: Insulin produced by the pancreas is endogenous insulin., Question: What does the pancreas help cells take up from the blood? (A) bacteria (B) store (C) Energy. (D) food (E) Energy (F) glucose (G) cells (H) blood
Example Output: F

Example Input: Fact1: smell is used for finding food by some animals, Fact2: Every living being needs food., Question: What is smell used by animals to do? (A) harm (B) mating (C) move (D) relax (E) live (F) kill (G) see (H) die
Example Output:
E