Please choose the correct ending to complete the given sentence: Doing kickboxing: Two people are boxing on a mat. they

Ending1: have canes over their shoulders, and they look like they are fighting. Ending2: use a punching bag on the ground. Ending3: stop and step away from each other. Ending4: are trying to pin each other with boxing gloves.

Answer format: ending1/ending2/ending3/ending4