Charlie is smart. Erin is quiet. Fiona is big. Fiona is not cold. Fiona is furry. Fiona is quiet. Fiona is rough. Fiona is not smart. Gary is big. Gary is quiet. Gary is not smart. Gary is young. If someone is furry and not young then they are not smart. Furry people are quiet. If someone is smart and not quiet then they are not cold.
Erin is not quiet.