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