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