Answer:
When a doctor hits you with a hammer he is testing this
What's that 7 letter word with thousands of letters in it?
In a year, there are 12 months. Seven months have 31 days. How many months have 28 days?
What is so delicate that saying its name breaks it?
What goes up and down without moving?
If a rooster lays an egg on the exact peak of a barn, which side does it fall?