Off-Color Joke 3: Because Your Sense of Humor is a Sin

A man walked into a library and asked the librarian, "I'm looking for a book on 'Why the chicken crossed the road.'"

The librarian replied, "It's a classic. Let me check the catalog."

Go to Joke 4: Because Your Sense of Humor is a Crime

Why the chicken crossed the road? Duh, for the same reason you're here: for a laugh! (Or was it to get away from its in-laws?)