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