Alan is high. Alan is big. Erin is little. Erin is tiny. Harry is smart. Fiona is sad. Fiona is poor. If someone is not strong then they are sad. If someone is not rough then they are wealthy. If someone is smart then they are nice. If someone is nice and not bad then they are quiet. If someone is sad and not strong then they are dull. All dull people are small. If someone is little and tiny then they are bad. If someone is bad and not nice then they are poor. If someone is poor then they are young. If someone is wealthy then they are kind. All kind people are clever. All quiet people are old. 
Erin is not young.