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