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: Some touch receptors sense differences in temperature or pain., Fact2: Touch receptors are a type of mechanoreceptor., Question: some mechanoreceptors sense what in temperature? (A) Energy (B) Energy. (C) hunger (D) pain (E) differences (F) kinetic energy (G) heat energy (H) similarities

Ex Output:
E


Ex Input:
Fact1: a ruler is used for measuring the length of an object, Fact2: Perimeter is the total length around the object., Question: How would you measure the perimeter of the outside of an object?  (A) With a scale. (B) With a ruler. (C) With a thermometer. (D) With a hydrometer. (E) by indirect light (F) Under 32 degrees (G) focusing a lens (H) electron microscope

Ex Output:

B