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