Bob is kind. Dave is young. Gary is white. All white, smart things are green. If something is green then it is smart. If something is not furry then it is smart. White things are young. If something is young and not white then it is green. If Gary is quiet and Gary is white then Gary is not furry. If something is young and not furry then it is not kind. If Dave is white and Dave is not smart then Dave is green.
Dave is furry.