Bob is big. Bob is furry. Bob is nice. Bob is quiet. Bob is round. Bob is white. Bob is young. Fiona is big. Fiona is furry. Fiona is nice. Fiona is quiet. Fiona is round. Fiona is white. Fiona is young. If something is white and furry then it is nice. If something is young and quiet then it is round. If Bob is big then Bob is quiet. All white things are young. All nice, quiet things are white. If something is white then it is round.
Fiona is not quiet.