Please choose the correct ending to complete the given sentence: Doing kickboxing: A man and woman face off inside a gym. they

Ending1: engage in a game of sit-ups together. Ending2: are both wearing boxing gloves. Ending3: engage in arm wrestling, trying to win. Ending4: engage in a salsa tango routine, making elevated moves to the beat.

Answer format: ending1/ending2/ending3/ending4