Charlie is not furry. Charlie is nice. Charlie is rough. Charlie is young. Erin is blue. Erin is green. Erin is nice. Rough things are nice. If Erin is blue then Erin is young. Young things are rough. If something is blue and not cold then it is young. All furry things are not blue. If something is green then it is young. If Erin is not nice then Erin is blue. If something is rough and not nice then it is not blue.
Charlie is not blue.