Instructions: 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: absorbing energy causes objects to heat, Fact2: Food has energy in it., Question: What causes objects to heat when absorbed? (A) coal (B) an ion (C) lipids (D) fur (E) sugar (F) food (G) Light (H) Gases
Output:
F