Please choose the correct ending to complete the given sentence: Grooming dog: An image of the front of a dog parlor is shown followed by images of the dogs they have helped and the equipment inside. as the pictures

Ending1: continue, they are again talking and sitting at a table and factory equipment on the ground is shown. Ending2: run through the screen, sparks are seen flying. Ending3: continue, dogs are being shown getting groomed in a large bath tub. Ending4: followed and then left the camera on a cart, the images also overlaid on the getting a dog cut from a wheelchair and now back to a white dog on a leash.

Answer format: ending1/ending2/ending3/ending4