Dave is strong. Dave is huge. Fiona is tiny. Fiona is short. Erin is kind. Anne is poor. Anne is sad. If someone is not high then they are poor. If someone is not rough then they are wealthy. If someone is kind then they are nice. If someone is nice and not dull then they are quiet. If someone is poor and not high then they are bad. All bad people are little. If someone is tiny and short then they are dull. If someone is dull and not nice then they are sad. If someone is sad then they are young. If someone is wealthy then they are smart. All smart people are clever. All quiet people are old. 
Erin is not old.