Please choose the correct answer to the question: A student gives a red toy car a push on a wooden floor. The student then pushes the same red toy car on a cement floor. Which question is the student most likely investigating?

Answer1: How fast does a toy car usually roll? Answer2: What is the best way to make a toy car roll? Answer3: Which surface allows a toy car to roll farther? Answer4: Does color have an effect on the distance a toy car rolls?

Answer format: answer1/answer2/answer3/answer4