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 Q]: Fact1: safety goggles are used for protecting the eyes during experiments, Fact2: Larger pupil and larger corneas permit more light to enter the eye., Question: What are used for protecting the pupils during experiments? (A) specialized (B) safety gloves (C) safety goggles (D) safe operation (E) lamphreys (F) Chemicals (G) chemical messengers (H) safety suit
[EX A]: C

[EX Q]: Fact1: a compass is used to navigate oceans, Fact2: And to the east is the Atlantic Ocean., Question: what is a compass used to navigate? (A) density (B) lamphreys (C) marine (D) outer space (E) their speed (F) Antarctica (G) non-magnetic planets (H) the Atlantic
[EX A]: H

[EX Q]: Fact1: Insulin helps cells take up glucose from the blood., Fact2: For instance, glucose is a sugar., Question: What helps cells take up sugar from the blood in the body? (A) exercise (B) sugar (C) Energy (D) Energy. (E) bones (F) pancreas (G) insulin (H) blood cells
[EX A]:
G