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: lakes are formed by precipitation and runoff, Fact2: Runoff from precipitation is a natural part of the water cycle., Question: What are some of the steps that forms a lake? (A) decomposition and respiration (B) storing water (C) photosynthesis and solar energy (D) near the shoreline (E) precipitation and run-off (F) perspiration and excretion (G) The area was once underwater (H) At the peak of a mountain
Example Output: E

Example Input: Fact1: Mollusks live in most terrestrial, freshwater, and marine habitats., Fact2: Interestingly, a squid is also a mollusk., Question: What can live in marine habitats? (A) lizards (B) horses (C) elephants (D) fur seals (E) a fish (F) squids (G) barnacles (H) animals
Example Output: F

Example Input: Fact1: a stove is used for cooking by generating heat, Fact2: Fire generates heat and light., Question: What does a stove use fire for? (A) warmth (B) coal (C) cooking (D) food (E) energy (F) burning itself (G) support (H) pellets
Example Output:
C