If a vegetarian eats vegetables, what does a humanitarian eat?
If a weightlifter lifts weights, what does a shoplifter lift?
Why does your nose run, and your feet smell?
When I wind up my watch, I start it, but when I wind up my essay, I shall end it?
Why is it that a man with hair on this head has more hair than a man with hairs on his head?
Never get on a non-stop flight, you will never get off!
Can I have a ‘hot cup of coffee’? Surely, we mean a ‘cup of hot coffee’?