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: Most people can survive only a few days without water., Fact2: H20 Bottled water was generally consumed last year., Question: Most people can survive only a few days without what? (A) h2o (B) urea (C) CO2 (D) beds (E) houses (F) air (G) NaCl (H) H20
Output:
H