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").
Q: Fact1: Earth 's tilt on its rotating axis causes seasons to change, Fact2: Weather changes rapidly in all seasons., Question: Earth's tilt on it's rotating axis causes rapid what? (A) temperature (B) root growth (C) population movement (D) rainfall (E) cloud density (F) weather changes (G) moon phases (H) crust pressure
A:
F