Complex sentence: Since the climax is part of the action, Yves Lavandier considers the second act must include the climax, which makes for a much shorter third act than what is found in most screenwriting theories.
Split into simpler sentences: Since the climax is part of the action, Yves Lavandier considers the second act must include the climax. Which makes for a much shorter third act that what is found in most screenwriting theories.