Anne is strong. Anne is big. Dave is tiny. Dave is short. Fiona is wealthy. Gary is rough. Gary is sad. If someone is not huge then they are rough. If someone is not poor then they are clever. If someone is wealthy then they are kind. If someone is kind and not dull then they are nice. If someone is rough and not huge then they are bad. All bad people are little. If someone is tiny and short then they are dull. If someone is dull and not kind then they are sad. If someone is sad then they are young. If someone is clever then they are quiet. All quiet people are smart. All nice people are old. 
Gary is not smart.