The Vet
Riddle: A man and his dog are out on a drive when they're in an accident! The man goes to the hospital and the dog is rushed to a vet, but when they get to the animal hospital, the vet says, "I can not operate on this dog, he is my puppy!" How can this be?
Answer: The vet is also a dog.
Source: https://www.riddles.com/11642
