Bob is nice. Bob is rough. Bob is smart. Charlie is big. Charlie is blue. Fiona is big. Fiona is blue. Fiona is nice. Fiona is rough. Harry is blue. Harry is smart. Harry is white. All rough things are young. If Fiona is young then Fiona is white. If Harry is rough then Harry is big. If something is smart and big then it is young. If something is nice then it is young. If something is rough and white then it is young. If Charlie is blue and Charlie is young then Charlie is big. If Charlie is nice and Charlie is smart then Charlie is white.
Harry is not big.