Detailed 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").
Q: Fact1: propulsion is used for flying by a spacecraft, Fact2: Earth-orbiting spacecraft are called satellites., Question: Propulsion is used for what? (A) flying satellites (B) fertilization (C) safe driving (D) heated by the sun (E) stargazing (F) making bread (G) Communication (H) taking a nap
A:
A