Charlie is big. Charlie is huge. Fiona is thin. Fiona is short. Gary is quiet. Bob is rough. Bob is sad. If someone is not high then they are rough. If someone is not bad then they are kind. If someone is quiet then they are wealthy. If someone is wealthy and not dull then they are clever. If someone is rough and not high then they are poor. All poor people are little. If someone is thin and short then they are dull. If someone is dull and not wealthy then they are sad. If someone is sad then they are young. If someone is kind then they are nice. All nice people are smart. All clever people are old. 
Bob is smart.