Please choose the correct ending to complete the given sentence: Doing kickboxing: A boy practices boxing with a kneeling adult. the kneeling adult

Ending1: pats the boy on the back. Ending2: pushes the kneeling younger boy against the sports equipment. Ending3: appears different from the boy he previously hit. Ending4: points to the punching bag and bends to punch the mat.

Answer format: ending1/ending2/ending3/ending4