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