Charlie is blue. Charlie is cold. Charlie is furry. Charlie is green. Charlie is rough. Charlie is white. Charlie is young. Dave is blue. Dave is cold. Dave is furry. Dave is green. Dave is rough. Dave is white. Dave is young. If Charlie is white then Charlie is cold. If something is rough then it is young. If something is rough and young then it is furry. Young, blue things are white. If something is rough and furry then it is white. Young things are green. White, young things are furry. If something is young and green then it is white.
Dave is white.