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: 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


Ex Input:
Fact1: Nonmetal elements are far fewer in number., Fact2: Each element is either a metal, nonmetal, or metalloid., Question: elements that are not metal or metalloid are far what in number? (A) DNA (B) Type O (C) Mohs (D) fewer (E) eight (F) Unsafe (G) 86400 (H) distal

Ex Output:
D


Ex Input:
Fact1: acid rain has a negative impact on water quality, Fact2: Acid rain is partly caused by CFCs., Question: what have a negative impact on water quality? (A) CFCs (B) oxygen (C) hydrogen (D) oil (E) h2o (F) mines (G) fungi (H) Cars

Ex Output:

A