Please choose the correct ending to complete the given sentence: Grooming dog: We see a dark opening screen. We see people grooming various dogs. we

Ending1: see a man fluff the fur on a large dog. Ending2: see a sex scene with a woman. Ending3: see dogs being groomed on plates then displayed outdoors. Ending4: see people grooming dogs indoors which is basically a walk.

Answer format: ending1/ending2/ending3/ending4