Definition: 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").
Input: Fact1: Insulin is a hormone that helps cells absorb sugar from the blood., Fact2: An example is insulin that is produced by the pancreas., Question: What produces a hormone that helps cells absorb sugar from the blood? (A) sweating (B) the ribs (C) the pancreas (D) the lungs (E) peachleaf willow (F) mammals (G) insulin (H) humans
Output:
C