Teacher: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").
Teacher: Now, understand the problem? Solve this instance: Fact1: friction is used for stopping a vehicle by brakes, Fact2: Trucks and cars are vehicles., Question: what uses friction to stop using brakes? (A) Thunderstorms (B) moving over land (C) With feedback loops (D) feedback mechanisms (E) thunder storms (F) trucks and cars (G) aquatic organisms (H) Car accidents
Student:
F