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: predicting weather requires studying weater, Fact2: Meteorologists try to predict the weather., Question: Who studies weather? (A) some prokaryotes (B) related organisms (C) rapid changes occur (D) a french scientist (E) With feedback loops (F) Meteorologist (G) Epidemiologist (H) Astronomer
Output:
F