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: plant requires seed dispersal for reproduction, Fact2: Try planting Sunflower seeds or another type of seed at your house., Question: what do sunflowers need to procreate? (A) heat energy (B) genetic material (C) artificial light (D) seed dispersal (E) Energy. (F) shady areas (G) parasitic insects (H) sunlight
D