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").
Input: Fact1: Macroevolution is evolution over geologic time above the level of the species., Fact2: Microevolution leading to macroevolution, discussed earlier, is one example., Question: what happens over time? (A) root growth (B) Change colors (C) relocation (D) evolution (E) gases (F) erosion (G) fossils (H) reproduction
Output:
D