Anne is blue. Anne is furry. Anne is green. Anne is nice. Anne is round. Anne is young. Bob is green. Bob is nice. Charlie is blue. Charlie is green. Charlie is nice. Charlie is young. Harry is nice. Harry is round. Harry is young. If something is blue and not green then it is round. If something is furry and blue then it is young. Nice things are young. Red, young things are not furry. If something is not furry and not green then it is nice. If something is round and not young then it is nice.
Bob is not green.