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: Plants are the major producers in terrestrial biomes., Fact2: Grasses are very distinctive plants., Question: What is a producer in terrestrial biomes? (A) food (B) Oak (C) mammals (D) flowers (E) earth (F) grass (G) Trees (H) mushrooms
Example Output: F

Example Input: Fact1: Populations of viruses do not grow through cell division because they are not cells., Fact2: Prokaryotes multiply by simple cell division, forming clones or exact copies of themselves., Question: What are viruses not? (A) self-copies (B) an object (C) HIV (D) humans (E) infectious (F) homogenous (G) dangerous (H) prokaryotes
Example Output: H

Example Input: Fact1: Producers are organisms that produce food for themselves and other organisms., Fact2: Tree is very large and a heavy producer., Question: What makes food for themselves and other organisms? (A) bees (B) trees (C) rocks (D) the Sun (E) carnivorous plankton (F) plants (G) ferns (H) legumes
Example Output:
B