Seeing Eye Dog

Each of them have a dog. The guy named Barney has a Chiwawa. The guy named Jim has a German Shpered.

The bartender says to Jim: What's the dog doing in here.

Jim: He's my seeing eye dog.

Bartender: O.K.

Bartender to barney: I can belieive a German Shpered as a seeing eye dog but not a chiwawa.

Barney: Is that what they gave me????