Please choose the correct ending to complete the given sentence: Walking the dog: An add displays a web site about a business called happydogz. Then, a man appears pulled by a dog, then adds display information about a retractable dog leash. after

Ending1: , a couple pulls two dogs from leashes. Ending2: , a dog is released from the barrel, a person removes the leash from a dog, and a cussword appears on the screen saying " tile-yoga session ". Ending3: , the man knitting becomes the sponsor demonstrates how to begin knitting by knitting out an image of ice melting. Ending4: , the man goes through gate and dogs wars, and a cartoon bicycle shows where everyone meets for the entertainment of the dog.

Answer format: ending1/ending2/ending3/ending4