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