Given the task definition and input, reply with output. 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").

Fact1: a plant requires sunlight for photosynthesis, Fact2: All plants live and grow by photosynthesis., Question: Plants require sunlight for what? (A) living and growing (B) flow of electrons (C) potting and soiling (D) manuring (E) fertilizing (F) nutrients (G) reproduce (H) bloom time
A