The variables aren't necessarily related.
One runs when they have scissors, the others scissor when they have runs
At least the burglar has the decency to leave you the house.
A dining room table can stay and support a family of four.
I never took a skinny on a girl's chest.
A PENNEtentiary!
These jokes should be any jokes that are even vaguely related to animals!
Student: A variable who don't need no man