Dave is big. Dave is quiet. Dave is red. Dave is young. Fiona is big. Fiona is cold. Fiona is not quiet. Fiona is red. Fiona is not rough. Fiona is young. Gary is big. Gary is not cold. Gary is furry. Gary is quiet. Gary is red. Gary is not rough. If someone is red then they are big. If Gary is red then Gary is furry. All young people are cold. If Dave is not big then Dave is furry. If someone is young and not cold then they are not big. If Dave is not big then Dave is not furry.
Fiona is not furry.