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