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: Grasses supply most of the food consumed by people worldwide., Fact2: Sugarcane, a grass, provides much of the world's sugar., Question: What is an example of a plant that supplies most of the food consumed by people worldwide? (A) Sugarcane (B) orchids (C) bushes (D) bioaerosols (E) cacti (F) trees (G) ferns (H) Chlorophyll
Example Output: A

Example Input: Fact1: melting means changing from a solid into a liquid by adding heat energy, Fact2: When a substance melts, it changes phase from a solid to a liquid by the application of heat., Question: What can be done to a solid by adding heat energy? (A) massive damage (B) phasing the bubbles (C) It expands (D) cooling the center (E) Evaporation (F) changing the phase (G) removing the air (H) Water expanding
Example Output: F

Example Input: Fact1: Head hair is especially important in preventing heat loss from the body., Fact2: Insulation serves to both prevent heat loss in the winter and heat gain in the summer., Question: What is a form of natural insulation that humans have? (A) fur and fat (B) Fire (C) Blankets (D) Animal fur (E) Head hair (F) layers of fat (G) Clothes (H) copper
Example Output:
E