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: Roundworms may be free-living or parasitic., Fact2: Roundworms make up the roundworm phylum, Nematoda., Question: What can the phylum Nematoda be? (A) dangerous (B) parasitic (C) horses (D) meiosis (E) more abundant (F) graptolites (G) homogenous (H) phytoplankton
Example Output: B

Example Input: Fact1: Insulin helps cells take up glucose from the blood., Fact2: Insulin made by a person's own pancreas is endogenous insulin., Question: what type of compounds produced by a person's pancreas help cells take up compounds (A) Energy (B) natural (C) mineral (D) endogenous (E) Break down food (F) it needs them (G) sweat glands (H) Energy.
Example Output: D

Example Input: Fact1: the digestive system breaks food into nutrients for the body, Fact2: Raw proteins provide nutrients for regeneration of cells, promoting healing, youth and longevity., Question: What provides the regeneration of cells for the body? (A) Thyroid-stimulating hormone (B) the kiln (C) Earthworms (D) the kitchen (E) the digestive system (F) prolactin release (G) Pituitary gland (H) the corona
Example Output:
E