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: dew is formed when water vapor condenses over night, Fact2: Dew begins to evaporate when the temperature reaches the dew point., Question: When happens to condensed water vapor when it reaches certain points? (A) turns gelatinous (B) evaporates (C) colder weather (D) Winter (E) becomes solid (F) Heat energy (G) The atmosphere (H) forms a bubble
Output:
B