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: sunlight and rain can cause a rainbow, Fact2: Rainbows are caused by internal reflection and refraction of sunlight or moonlight inside raindrops., Question: What do sunlight reflections in raindrops make? (A) puddles (B) energy (C) light (D) rainbows (E) ponds (F) an image (G) a prism (H) lakes
D