Please choose the correct ending to complete the given sentence: Installing carpet: A man in on his knees in an empty room. he

Ending1: is using a vacuum as he works on what he is creating. Ending2: is holding a tennis racket and showing how to use it. Ending3: is playing a set of bagpipes. Ending4: holds up a patch of carpet and starts talking.

Answer format: ending1/ending2/ending3/ending4