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