Please choose the correct answer to the question: A flowing stream contains water at 18°C. Cans of soft drinks at 28°C are lowered into the stream. Which of the following will most likely occur?

Answer1: The soft drink cans will absorb cold energy from the stream's water. Answer2: The cans will cool until their temperature is the same as the stream's. Answer3: The temperature of the soft drinks will not change since the cans are sealed. Answer4: The temperature of the cans will decrease to freezing as long as the stream is flowing.

Answer format: answer1/answer2/answer3/answer4