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: Mollusks live in most terrestrial, freshwater, and marine habitats., Fact2: Though most trout are freshwater fish, some live in marine waters., Question: What do some mollusks live near? (A) gills (B) rivers (C) desert (D) roads (E) fungi (F) trout (G) clouds (H) water
Example Output: F

Example Input: Fact1: threatening behavior by predators causes a porcupine to extend its quills, Fact2: Porcupine quills can be extraordinarily painful., Question: What can threatening behavior be? (A) opossums (B) painful (C) imbalanced (D) tiny (E) threatened (F) smoking (G) comprehensive (H) funny
Example Output:
B