Complex sentence: Near the end of the video, they realize that the ticket won, and they use the proceeds to upgrade Rosie's Cantina to a full restaurant together, called "Rosie and Jesse's Cantina".
Split into simpler sentences: Near the end of the video, they realize that the ticket won, and they use the proceeds to upgrade Rosie's Cantina. They open a full sized restaurant together, called "Rosie and Jesse's Cantina".