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