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