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: Protozoa can be classified on the basis of how they move., Fact2: Paramecium are protozoa, single celled animals., Question: What can be classified on the basis of how they move? (A) each species (B) aquatic organisms (C) reptiles ancestral to mammals (D) single celled organisms (E) microbes and mussels (F) trailers and boats (G) How fast a vehicle is going (H) melanin content
Example Output: D

Example Input: Fact1: if a plant requires less water then that plant will survive in a drought, Fact2: Shrub beds and ground covers require less water and provide more variety to the landscape., Question: What needs less water and will survive in a drought? (A) tiny polyps (B) Roundworms (C) shrub beds (D) tall trees (E) heterotrophs (F) rainforests (G) mussels (H) dandilions
Example Output: C

Example Input: Fact1: Many consumers feed at more than one trophic level., Fact2: Nutrient levels are referred to as trophic status., Question: Many consumers feed at more than one what? (A) farm to table empire (B) cattle ranch (C) Decibels (D) space station (E) kinetic energy (F) nutrient level (G) an organism's body (H) Veins and arteries.
Example Output:
F