Fiona is huge. Fiona is big. Erin is short. Erin is thin. Bob is kind. Harry is dull. Harry is sad. If someone is not high then they are dull. If someone is not poor then they are wealthy. If someone is kind then they are smart. If someone is smart and not rough then they are quiet. If someone is dull and not high then they are bad. All bad people are small. If someone is short and thin then they are rough. If someone is rough and not smart then they are sad. If someone is sad then they are young. If someone is wealthy then they are nice. All nice people are clever. All quiet people are experienced. 
Erin is not young.