What's the difference between a lightbulb and a pregnant woman? You can unscrew the lightbulb.
What's the difference between a screw and a hooker? You can't unscrew the hooker.
What's the difference between a pregnant woman and a light bulb?
You can unscrew a light bulb.
What is the difference between a lightbulb and a pregnant woman?
You can unscrew a lightbulb.
What's the difference between a Pregnant one and a Light bulb? One you can unscrew.
What's the difference between a pregnant girl and a light bulb?
... You can unscrew a light bulb, but you can't unscrew a pregnant girl.
