Dave is not big. Dave is furry. Dave is kind. Dave is nice. Dave is round. Dave is young. Fiona is big. Fiona is furry. Fiona is kind. Fiona is nice. Fiona is round. Fiona is young. If Dave is not furry then Dave is white. All big people are young. If someone is round and not nice then they are kind. If someone is big and not kind then they are not white. If someone is big and not kind then they are young. If someone is round and not kind then they are not young.
Fiona is not kind.