A guy (Guy 1) walks into a bar and sees another guy (Guy 2) sitting at a bar with a dog next to him. He wants to pet the dog so he approaches Guy 2.
Guy 1: “Does your dog bite?”
Guy 2: “Nope”
Guy 1 then starts petting the dog when suddenly, the dog bites him.
Guy 1: “Ow! What the heck? You said your dog doesn’t bite.”
Guy 2: “It’s not my dog”