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