Gary is strong. Gary is big. Alan is thin. Alan is tiny. Fiona is clever. Anne is rough. Anne is dull. If someone is not huge then they are rough. If someone is not poor then they are nice. If someone is clever then they are kind. If someone is kind and not sad then they are wealthy. If someone is rough and not huge then they are bad. All bad people are small. If someone is thin and tiny then they are sad. If someone is sad and not kind then they are dull. If someone is dull then they are young. If someone is nice then they are smart. All smart people are quiet. All wealthy people are experienced. 
Alan is young.