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