Bob is cold. Bob is furry. Bob is green. Bob is red. Bob is smart. Bob is young. Charlie is cold. Charlie is red. Charlie is rough. Erin is cold. Erin is rough. Erin is smart. Erin is young. Fiona is green. Fiona is red. Fiona is young. Rough, smart things are furry. If something is smart then it is young. Red, rough things are smart. All red things are rough. If Bob is rough then Bob is young. If something is green then it is rough. Cold, young things are rough. If something is rough then it is young.
Charlie is not furry.