Complex sentence: Sinestro tells Jordan he now bears the responsibility of protecting his sector as a Green Lantern, and in a post-credits scene, Sinestro steals the yellow ring and places it on his finger, causing his green suit and eyes to change to yellow.
Split into simpler sentences: Sinestro tells Jordan he now bears the responsibility of protecting his sector as a Green Lantern. In a post-credits scene, Sinestro steals the yellow ring and places it on his finger, causing his green suit and eyes to change to yellow.