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: Puberty is the period during which humans become sexually mature., Fact2: Before puberty, adolescents experience their highest nutritional demand since infancy., Question: When do adolescents experience their highest nutritional demand since infancy? (A) carrying offspring to birth (B) occurs over a wide range (C) it increases (D) It's inherited from genes (E) Before sexual maturity (F) 70-75 degrees Fahrenheit (G) dermal & vascular tissue (H) Two or more sets of alleles
Example Output: E

Example Input: Fact1: Evolution occurs in response to a change in the environment., Fact2: Extinction is a natural part or the process of evolution., Question: What happens to an environment to cause extinction? (A) relocation (B) changes (C) rain (D) exposure (E) forces (F) wind (G) Pollution (H) discovery
Example Output: B

Example Input: Fact1: Mollusks live in most terrestrial, freshwater, and marine habitats., Fact2: Clams are mollusks that live in the sea or in freshwater., Question: Where do clams live? (A) The area was once underwater (B) remains of prehistoric life (C) Creeks (D) Storm drains (E) members of their own species (F) the environment (G) Freshwater habitats (H) Ponds
Example Output:
G