Complex sentence: Much of the gore was cut prior to release to obtain an R-rating; for its video premiere, the distributor Vestron Video released both the censored theatrical version and an unrated version that contained the excised violence.
Split into simpler sentences: Much of the gore was cut prior to release to obtain an R rating. For its video premiere, the distributor Vestron Video released both the censored theatrical version and an unrated version that contained the excised violence.