Dave is furry. Dave is not kind. Dave is not quiet. Dave is smart. Dave is not white. Fiona is kind. Fiona is quiet. If something is young then it is furry. If something is furry and blue then it is kind. Young things are kind. If something is furry and white then it is not blue. If something is not kind then it is not blue. If something is not kind and not smart then it is blue.
Fiona is white.