Alan is high. Alan is huge. Dave is little. Dave is short. Charlie is smart. Harry is sad. Harry is rough. If someone is not strong then they are sad. If someone is not dull then they are clever. If someone is smart then they are kind. If someone is kind and not poor then they are nice. If someone is sad and not strong then they are bad. All bad people are small. If someone is little and short 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 clever then they are wealthy. All wealthy people are quiet. All nice people are experienced. 
Dave is young.