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").
Problem:Fact1: heat can change the state of matter, Fact2: Liquids are one state of matter., Question: What can change stuff to liquid? (A) gas (B) vapors (C) measuring (D) rivers (E) heat (F) observing (G) Frogs (H) pH
Solution:
E