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