Please choose the correct ending to complete the given sentence: Doing kickboxing: A man in a padded gym room demonstrates how to kick box with a pair of gloves and a hanging punching bag. a barefoot man in a red t - shirt and wearing boxing gloves

Ending1: performs the punching bag. Ending2: stands in a mirror walled gym room, on a padded floor and demonstrates how to jab, all while talking to the camera. Ending3: demonstrates how to kick boxing with boxing gloves and a dangling punching bag. Ending4: demonstrate what kicks are called.

Answer format: ending1/ending2/ending3/ending4