Answer:
What is the center of gravity?
What has a foot but no leg?
In a year, there are 12 months. Seven months have 31 days. How many months have 28 days?
Without this, H2O would just be 2O
A father's child, a mother's child, yet no one's son
If all Wibbles are Criggles, all Borkins are Kwumblins, no Hoggles are Borkins, and all Criggles are Borkins, is it true that all Borkins are Criggles?