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: plasma is formed by electrons separating from atoms in stars, Fact2: Plasma exists inside stars and in interstellar gases., Question: What is formed by electrons separating from interstellar gases? (A) an object (B) Energy. (C) proteins (D) led lights (E) air (F) light (G) plasma (H) dust
Example Output: G

Example Input: Fact1: tidal energy can be used to produce electricity, Fact2: Tidal energy is renewable ., Question: What can renewable energy be used for? (A) Creating more fossil fuels (B) health (C) Quality of life (D) Measuring water (E) Global warming (F) root growth (G) Electricty (H) staying warm
Example Output: G

Example Input: Fact1: Cancer genes can be inherited., Fact2: Oral cancers can be deadly., Question: what kind of genes can be inherited? (A) deadly (B) offspring (C) psychic (D) complex (E) weathering (F) mass (G) three (H) alleles
Example Output:
A