Charlie is blue. Charlie is quiet. Charlie is not red. Charlie is smart. Erin is quiet. Erin is red. Erin is young. Gary is blue. Gary is cold. Gary is round. Gary is smart. Gary is young. Harry is blue. Harry is quiet. Harry is red. Smart, red things are not round. If something is not red and not quiet then it is round. If something is round and not quiet then it is cold. If something is not quiet then it is smart. All quiet, red things are cold. Blue things are round. Red, round things are young. If something is blue and not round then it is young.
Gary is not blue.