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").

Ex Input:
Fact1: astronauts require preserved food for extended flights, Fact2: An astronaut is a scientist who is a space explorer., Question: Space explorers require preserved foods for (A) ground training (B) nutrients (C) Dehydration (D) survival (E) long flights (F) short flights (G) Special disposal (H) day trips

Ex Output:
E

Ex Input:
Fact1: Fission takes place when an animal divides into two parts., Fact2: Flagellates reproduce by binary fission., Question: How do Flagellates reproduce? (A) diving into two parts (B) it keeps an organism warm (C) metabolic reaction (D) allow growth (E) photosynthesis (F) irradiation (G) The bending of a ray of light (H) By wind and rain

Ex Output:
A

Ex Input:
Fact1: Insulin helps cells take up glucose from the blood., Fact2: Insulin produced by the pancreas is endogenous insulin., Question: What does the pancreas help cells take up from the blood? (A) bacteria (B) store (C) Energy. (D) food (E) Energy (F) glucose (G) cells (H) blood

Ex Output:
F