what are the free food restaurants on carnival vista?
["Main Dining Room. If it's formal night, it must mean lobster! ... ", 'BlueIguana Cantina. Burrito from Blue Iguana Cantina. ... ', "Guy's Burger Joint. ... ", 'Lido Deck Marketplace. ... ', "Captain's Pasta Bar. ... ", 'Mongolian Wok. ... ', 'Fresh Creations Salad Bar. ... ', "Guy's Pig & Anchor Bar-B-Que Smokehouse."]