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: friction causes an object to lose energy, Fact2: For example, the word Car refers to a type of object, so Car is a class., Question: Friction causes a car to what? (A) renew energy (B) to move people (C) increase velocity (D) imbalanced (E) squeeze (F) lose energy (G) speed up (H) contracting
Output:
F