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: Many corals secrete an exoskeleton that builds up to become a coral reef., Fact2: Good examples are Bubble coral, Elegance coral, Frogspawn and other Euphyllia corals., Question: What is secreted by organisms like frogspawn to become a reef? (A) exocrine glands (B) food and shelter (C) exoskeleton (D) bones (E) Energy (F) Chemical energy (G) plasma (H) Energy.
Example Output: C

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: Producers make food from inorganic molecules., Fact2: Plants are known as producers ., Question: Plants make food from what? (A) Chemical energy (B) inorganic molecules (C) photosynthesis (D) Light passing through water (E) direct energy (F) absorb light energy (G) Organic compounds (H) In their leaves
Example Output:
B