Please choose the correct ending to complete the given sentence: Walking the dog: Two animals are seen on the ground followed by a cat and dog. a cat

Ending1: is seen laying down down and a dog using a cat's medicine to treat his burns. Ending2: is shown carrying a leash in it's mouth with a dog following close behind. Ending3: drops there paw and gets back up to pace and rides away. Ending4: is holding onto a string and a dog in a basket.

Answer format: ending1/ending2/ending3/ending4