Complex sentence: Sinestro tells Jordan he now bears the responsibility of protecting his sector as a Green Lantern, and in the epilogue, 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 the epilogue, Sinestro steals the yellow ring and places it on his finger, causing his green suit and eyes to change to yellow.