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: the force of water against the seed coat causes a root to emerge from a seed, Fact2: Water is made up of H2O molecules., Question: what is forced against the seed coat to cause the root to emerge from a seed? (A) germination (B) UV (C) urea (D) h2o (E) sunflower (F) rain (G) oil (H) newtons
Example Output: D

Example Input: Fact1: melting is when solids are heated above their melting point, Fact2: Ice cubes melt in liquid water., Question: What, when heated, turns into liquid water? (A) gasoline (B) oil (C) a solute (D) fire (E) ice cubes (F) a prism (G) mussels (H) Energy.
Example Output: E

Example Input: Fact1: a plants require water for survival, Fact2: Legumes are typical of that type of plant., Question: what requires water for survival? (A) cows (B) pigeons (C) hydrogen (D) legumes (E) vacuums (F) bears (G) cats (H) outer space
Example Output:
D