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: drought is when amount of precipitation decreases, Fact2: During drought, water supply reduced., Question: Reduced water supply occurs when what amounts decrease? (A) precipitation (B) visibility (C) fog (D) sound (E) In the winter (F) Dehydration (G) deforestation (H) salinity
Output:
A