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