Please choose the correct ending to complete the given sentence: Grooming dog: The person puts the glove on a dog with it's claw sticking through the hole. A person shows a clipping tool. the person

Ending1: rubs a nail on the shoe. Ending2: then sands the dogs claw with an electric sander. Ending3: shows off the mouse and off nails. Ending4: adds wax to a shoe.

Answer format: ending1/ending2/ending3/ending4