Please choose the correct answer to the question: A sound is heard when you pluck a string on a guitar. What will happen to the sound if the same string is plucked harder?

Answer1: The volume will stay the same, and the pitch will be higher. Answer2: The pitch will stay the same, and the volume will be higher. Answer3: Both the pitch and the volume will be higher. Answer4: Both the pitch and the volume will stay the same.

Answer format: answer1/answer2/answer3/answer4