Complex sentence: "Oathbreaker" received very positive reviews from television critics on the review aggregator Rotten Tomatoes, who surveyed 42 reviews of the episode and judged 95% of them to be positive.
Split into simpler sentences: Oathbreaker received very positive reviews from television critics. Review aggregator Rotten Tomatoes surveyed 42 reviews of the episode and judged 95% of them to be positive.