Dave is huge. Dave is high. Fiona is thin. Fiona is short. Harry is wealthy. Erin is rough. Erin is dull. If someone is not big then they are rough. If someone is not bad then they are quiet. If someone is wealthy then they are kind. If someone is kind and not poor then they are nice. If someone is rough and not big then they are sad. If someone is thin and short then they are poor. If someone is poor and not kind then they are dull. All quiet people are smart. 
Harry is not nice.