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: gravity pulls objects towards planets, Fact2: Gravity is created by the mass of a planet, star or other celestial body., Question: What does gravity pull objects closer to? (A) Something to move (B) celestial bodies (C) mouth of rivers (D) satellites (E) the galaxy (F) solar system (G) clouds (H) kinetic energy
Output:
B