Bob is furry. Bob is not red. Bob is white. Dave is furry. Dave is quiet. Dave is red. Dave is round. Dave is white. Fiona is cold. Fiona is not red. Fiona is round. Fiona is white. If Bob is white then Bob is cold. If something is white and not furry then it is quiet. If something is not furry then it is round. If something is quiet then it is white. If something is not white then it is red. If something is not cold and not round then it is red.
Fiona is round.