Please choose the correct ending to complete the given sentence: Doing crunches: A girl wearing a bikini on the beach is shown doing several sits up on a ball and fixing her hair. she

Ending1: then goes to the pool to do more sit ups, and by the time she's done she tells viewers that she should be going to bed that night. Ending2: then mimes stretching and warming up, until she removes her sunblock and drops it into the water. Ending3: continues performing the exercise while smiling at the camera. Ending4: is then on another volleyball court and doing sit ups without using her legs.

Answer format: ending1/ending2/ending3/ending4