Complex sentence: Although Carter initially agreed to the film and Jones said he was "ecstatic" about the final cut, he later filed a lawsuit against it, trying to prevent its release after the second screening at the 2009 Sundance Film Festival.
Split into simpler sentences: Although Carter initially agreed to the film and Jones said he was "ecstatic" about the final cut, he later filed a lawsuit against it. He tried to prevent its release after the second screening at the 2009 Sundance Film Festival.