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