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