Anne is big. Anne is furry. Anne is not round. Dave is furry. Dave is nice. Dave is round. Fiona is furry. Fiona is round. Fiona is not white. Fiona is young. All cold things are white. If Fiona is nice then Fiona is big. If Fiona is cold and Fiona is young then Fiona is not nice. If Fiona is nice and Fiona is round then Fiona is white. All big things are furry. If something is young and not round then it is not furry.
Dave is not white.