Bob is quiet. Bob is smart. Fiona is not blue. Fiona is nice. Fiona is rough. Fiona is round. Gary is blue. Gary is green. Gary is nice. Gary is quiet. Gary is rough. Gary is round. Harry is green. Harry is nice. Harry is smart. Green people are rough. If Bob is quiet then Bob is not blue. All round, smart people are quiet. If Harry is blue and Harry is rough then Harry is green. If someone is round and nice then they are green. If Fiona is green then Fiona is rough. If someone is round and not nice then they are not blue. All blue people are quiet.
Bob is not green.