Fiona is big. Fiona is high. Gary is little. Gary is short. Anne is wealthy. Alan is poor. Alan is bad. If someone is not huge then they are poor. If someone is not sad then they are kind. If someone is wealthy then they are smart. If someone is smart and not dull then they are quiet. If someone is poor and not huge then they are rough. All rough people are thin. If someone is little and short then they are dull. If someone is dull and not smart then they are bad. If someone is bad then they are young. If someone is kind then they are nice. All nice people are clever. All quiet people are old. 
Fiona is not thin.