This is a test of commonsense with single/multi-choices. Complete the next sentence:

A woman is seated on a piece of workout equipment. She uses a long string to pull back and forth. her seat

(1). spins around her, giving her leverage.; (2). slides forward and backward as she pulls.; (3). belt release is made as the belt tightens.; (4). belt is way too wide for her.;
The answer is:
(2).