"Let's go in and get something to eat" Jim suggests.
"We can't" responds John. "Don't you see the sign says No Pets Allowed?"
"Oh, that sign?" says Jim. "Don't worry about it".
Taking out a pair of sunglasses, he walks up to the door. As he tries walking into the restaurant, the host says "Sorry, no pets allowed".
"Can't you see?" says Jim. "I am blind. This is my Seeing Eye dog".
"But it's a Doberman pinscher. Who uses a Doberman pinscher as a Seeing Eye dog?" the host asks.
"Oh" Jim responds "you must not have heard. This is the latest type of Seeing Eye dog. They do a very good job".
Seeing that it worked, John tries walking in with his Chihuahua. Even before he can open his mouth, the host says "Don't tell me that a Chihuahua is the latest type of Seeing Eye dog".
John responds angrily
Spoiler:
