Anne is big. Anne is cold. Anne is green. Anne is nice. Anne is quiet. Anne is smart. Dave is big. Dave is furry. Dave is green. Dave is nice. Dave is quiet. Dave is smart. Fiona is furry. Fiona is green. Fiona is nice. Fiona is smart. All furry, nice people are quiet. If someone is quiet then they are cold. Cold people are big. If Dave is furry then Dave is quiet. All green people are quiet. If someone is furry and big then they are quiet. If someone is furry and cold then they are nice. All big people are nice.
Fiona is not quiet.