Please choose the correct ending to complete the given sentence: Using the rowing machine: People workout abs in a machine pulling from a handle while a man explains the machine. then

Ending1: , the man lifts the heavy machine and the cup to the waist, pull a handle and the cups upright for removal. Ending2: , people lift weight and exercise, also the man lift weight. Ending3: , the man grips the handles and walk the machine for exercise. Ending4: , man lifts a woman and put her waist and neck.

Answer format: ending1/ending2/ending3/ending4