Fiona is high. Fiona is big. Charlie is little. Charlie is short. Harry is kind. Dave is poor. Dave is bad. If someone is not strong then they are poor. If someone is not sad then they are nice. If someone is kind then they are wealthy. If someone is wealthy and not dull then they are quiet. If someone is poor and not strong then they are rough. If someone is little and short then they are dull. If someone is dull and not wealthy then they are bad. All nice people are smart. 
Dave is smart.