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").

Example Input: 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
Example Output: D

Example Input: Fact1: Precipitation increases moisture., Fact2: Rain is liquid precipitation., Question: what increases moisture? (A) density (B) the sun (C) wind (D) rain (E) Honey (F) 17 (G) droughts (H) Type O
Example Output: D

Example Input: Fact1: when a hemisphere is tilted towards the sun , that hemisphere receives more direct sunlight, Fact2: When the Earth's northern hemisphere is tilted towards the Sun, it is summer., Question: What season is it when the hemisphere is aimed at the sun? (A) Spring (B) cold (C) Summer (D) Autumn (E) started (F) Winter (G) closed (H) mild
Example Output:
C