How many pet owners are there?
How many Dog owners are there?
How many Cat owners are there?
How many people own both pets?
How many people own dogs but not cats?
How many people own cats but not dogs?
How many people own only 1 type of pet?
How many people were surveyed?
How many people like tea?
How many people like coffee?
How many people like neither?
How many people like both?
How many people only like tea?
How many people only like coffee?
How many people only like 1 beverage?