Bob is white. Charlie is quiet. Charlie is smart. Charlie is white. Dave is blue. Dave is furry. Dave is nice. Dave is quiet. Dave is red. Dave is smart. Dave is white. Fiona is not smart. Red, quiet people are smart. If someone is blue then they are furry. Furry, white people are smart. If someone is nice and smart then they are quiet. If someone is nice then they are furry. If Charlie is red and Charlie is white then Charlie is blue. If someone is quiet and furry then they are red. If Charlie is quiet then Charlie is red. If someone is white and not blue then they are nice.
Fiona is quiet.