Harry is high. Harry is huge. Bob is small. Bob is little. Gary is nice. Fiona is dull. Fiona is poor. If someone is not strong then they are dull. If someone is not sad then they are clever. If someone is nice then they are kind. If someone is kind and not bad then they are quiet. If someone is dull and not strong then they are rough. All rough people are tiny. If someone is small and little then they are bad. If someone is bad and not kind then they are poor. If someone is poor then they are young. If someone is clever then they are wealthy. All wealthy people are smart. All quiet people are old. 
Gary is not old.