Complex sentence: Since the erotic thriller is a hybrid of these genres, pinning down the exact formula for an erotic thriller can be difficult, as each film combines its subgenres differently, and can enlarge the influence of one by minimizing the others.
Split into simpler sentences: Since the erotic thriller is a hybrid of these genres, pinning down the exact formula for an erotic thriller can be difficult. Each film combines its subgenres differently, and can enlarge the influence of one by minimizing the others.