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: a vehicle is used for transportation, Fact2: If in a moving car, pull over and stop as quickly as safety permits, but stay in the vehicle., Question: Moving cars are used for what? (A) their speed (B) transportation (C) feedback mechanisms (D) living in (E) extreme environments (F) arresting (G) safe operation (H) crashing
Output:
B