The Case of the Talking Dog
A man was walking down a street when he saw a sign in a yard: "Talking Dog for Sale." Intrigued, he rang the bell. The owner told him the dog was in the backyard.
The man went into the backyard and saw a black Labrador sitting there.
"You talk?" the man asked, skeptically.
"Yep," the Lab replied.
The man was stunned. "So, what's your story?