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: Ejaculation occurs when muscle contractions propel sperm from the epididymes., Fact2: Male orgasm and ejaculation are inhibited., Question: In the male orgasm, where is sperm propelled from? (A) seeds (B) pollen (C) distance (D) organ (E) sensory neurons (F) direct energy (G) epididymes (H) electrically
Example Output: G

Example Input: Fact1: a flashlight requires a source of electricity to produce light, Fact2: Flashlights can help children see better., Question: Children see better with a source of electricity to do what? (A) focusing a lens (B) staying warm (C) survival (D) reproduce (E) produce light (F) remove electricity (G) produce darkness (H) remove light
Example Output: E

Example Input: Fact1: All chemical reactions require activation energy to get started., Fact2: Activation energy is required to overcome the energy barrier., Question: What must a chemical reaction overcome before starting? (A) PV=nRT (B) heat or cold (C) reactants (D) energy barrier (E) Dehydration (F) harmful substances (G) resistance (H) temperature
Example Output:
D