Erin is high. Erin is strong. Fiona is thin. Fiona is tiny. Bob is clever. Gary is rough. Gary is sad. If someone is not huge then they are rough. If someone is not bad then they are nice. If someone is clever then they are smart. If someone is smart and not dull then they are wealthy. If someone is rough and not huge then they are poor. All poor people are small. If someone is thin and tiny then they are dull. If someone is dull and not smart then they are sad. If someone is sad then they are young. If someone is nice then they are quiet. All quiet people are kind. All wealthy people are old. 
Fiona is young.