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").
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
A:
G