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