Dave is red. Erin is furry. Erin is not rough. Gary is cold. Gary is furry. Gary is nice. Gary is red. Harry is not furry. Harry is nice. Harry is not red. Harry is rough. Harry is white. Cold things are white. If Harry is furry and Harry is white then Harry is not nice. If Erin is white and Erin is red then Erin is not cold. All cold things are young. If something is red and not white then it is furry. If something is white and not furry then it is rough.
Dave is red.