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: a watch is used for measuring time, Fact2: Time refers to the speed of movements., Question: A watch can be used for measuring (A) earthquakes (B) vibration (C) changes in size (D) 70-75 degrees Fahrenheit (E) speed of movements (F) local weather conditions (G) feedback mechanisms (H) 295 degrees Kelvin
E