You will be given a definition of a task first, then some input of the task.
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 seismometer is used to measure the strength or magnitude of an earthquake, Fact2: The Richter scale provides information on the magnitude or inherent strength of the earthquake., Question: What device is used to give ratings on the Richter scale (A) Anemometer (B) weater (C) feedback (D) sound vibrations (E) Hygrometer (F) Plate tectonics (G) Thermometer (H) Seismometer
Output:
H