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