Please choose the correct answer to the question: A pot of cold water was heated on a stove until the water boiled. Which of the following best explains why the water was able to boil?

Answer1: The hot stove absorbed cold from the pot. Answer2: The cold water absorbed heat from the pot. Answer3: The hot stove gave off heat to the surrounding air. Answer4: The cold water gave off cold to the surrounding air.

Answer format: answer1/answer2/answer3/answer4
Answer: answer2