Please choose the correct ending to complete the given sentence: Doing crunches: In a different setting, the man is instructing a blonde woman on how to perform sit ups. The woman does sit ups. the man

Ending1: returns to speak to the camera. Ending2: then instructs her on how to engage in sit ups. Ending3: accompanies the girl and the woman stands behind him doing sit ups. Ending4: stops instructing the blonde woman and talks to her.

Answer format: ending1/ending2/ending3/ending4