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: measuring the hardness of minerals requires scratching those materials, Fact2: To figure out the hardness of a mineral, the Moh's scale of hardness is used., Question: the Moh's scale of hardness is used by doing what to the materials (A) heating (B) tool extensions (C) protection (D) classified (E) scratching (F) as a base (G) how they move (H) Cladistics
Example Output: E

Example Input: Fact1: Biomass is the total mass of organisms at a trophic level., Fact2: Each stage is a trophic level., Question: The total mass of organisms in an environmental stage is called what? (A) food pyramid (B) extinction (C) ecological pyramid (D) food chain (E) vegetation (F) food (G) ligt (H) biomass
Example Output: H

Example Input: Fact1: Fertilization takes place inside the female organism., Fact2: Humans are complex organisms., Question: what kind of females does fertilization take place in? (A) humans (B) fertile (C) plants (D) bees (E) orchids (F) sperm (G) Flowers (H) post-menopausal women
Example Output:
A