Detailed 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").
Q: Fact1: the sun causes water to evaporate more quickly by adding heat, Fact2: Evaporation is the change of liquid water to a vapor., Question: What does water turn into when heat is added? (A) Rain (B) energy (C) potash (D) h2o (E) Vapor (F) an ion (G) Ice (H) Energy.
A:
E