Detailed 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").
Q: Fact1: an anemometer is used to measure wind speed, Fact2: An anemometer and vane are at the top of the station., Question: Where is the device to measure wind placed? (A) At the top of a station (B) Being over land (C) local weather conditions (D) Underwater (E) Inside a tree (F) points north (G) Inside a station (H) when it passes over a continent
A:
A