Q: 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: predicting weather requires studying weater, Fact2: Meteorologists try to predict the weather., Question: Being a meteorologist requires studying what? (A) Chemicals (B) weather (C) calibrated (D) backbones (E) meteorites (F) meteors (G) surface (H) comets
A:
B