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