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: cold fronts cause thunderstorms as they pass by, Fact2: Thunderstorms create havoc., Question: What do cold fronts cause? (A) death (B) complex (C) wind (D) streams (E) deadly (F) disease (G) havoc (H) mildew
[A]: G


[Q]: Fact1: predicting weather requires studying weater, Fact2: Meteorologists try to predict the weather., Question: What do meteorologists study? (A) Meatballs (B) amount of heat (C) Meteors (D) The weather. (E) related organisms (F) Music (G) air masses (H) Seisometers
[A]: D


[Q]: Fact1: the vanes rotating in an electric fan causes air to move, Fact2: Air speed is an important contributor to cooling of skin temperature., Question: What do electric fans cool? (A) energy (B) kinetic energy (C) Human skin (D) sensory neurons (E) an object (F) deuterostomes (G) heat energy (H) the skin
[A]:
C