Fiona is big. Fiona is high. Dave is short. Dave is small. Bob is quiet. Alan is rough. Alan is sad. If someone is not strong then they are rough. If someone is not poor then they are clever. If someone is quiet then they are nice. If someone is nice and not bad then they are kind. If someone is rough and not strong then they are dull. If someone is dull then they are little. All little people are thin. If someone is short and small then they are bad. If someone is bad and not nice then they are sad. If someone is sad then they are young. If someone is young then they are energetic. If someone is clever then they are wealthy. If someone is wealthy then they are smart. All smart people are nice. If someone is kind then they are experienced. All experienced people are old.
Alan is not nice.