Q: 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: Most ecosystems get energy from sunlight., Fact2: Sunlight is a form of electromagnetic energy., Question: what do ecosystems get energy from? (A) colors of the spectrum (B) fossil fuels (C) during the day (D) our star (E) electromagnetism (F) In their leaves (G) rays or beams (H) sun's heat
A:
E