Dave is not big. Dave is furry. Dave is not kind. Dave is red. Dave is not rough. Dave is round. Dave is white. If Dave is furry then Dave is round. If something is kind then it is red. If Dave is kind and Dave is not white then Dave is red. If something is rough and not furry then it is kind. If something is rough and not red then it is not furry. If something is big and not kind then it is round. If something is rough and not red then it is not white. If something is not round and not kind then it is not furry.
Dave is not rough.