Alan is strong. Alan is high. Gary is thin. Gary is small. Dave is kind. Charlie is sad. Charlie is bad. If someone is not huge then they are sad. If someone is not dull then they are nice. If someone is kind then they are clever. If someone is clever and not rough then they are smart. If someone is sad and not huge then they are poor. All poor people are short. If someone is thin and small then they are rough. If someone is rough and not clever then they are bad. If someone is bad then they are young. If someone is nice then they are quiet. All quiet people are wealthy. All smart people are experienced. 
Gary is young.