Easy Red Velvet Cake
["1 (18.25-ounce) package of yellow cake mix", "1 (3 1/2-ounce) package of instant vanilla pudding mix", "4 large eggs", "1/2 cup of vegetable oil", "1 cup of water", "1 tablespoon white vinegar", "1 tablespoon unsweetened cocoa powder", "1 cup of cold milk", "1 (8-ounce) package of cream cheese, softened", "1 (3 1/2 ounce) package of instant vanilla pudding mix", "1 (8-ounce) container of nondairy whipped topping"]
["Preheat oven to 350 degrees. Grease and flour a 13 x 9 x 2-inch baking pan; set aside."]
["cake mix", "vanilla pudding", "eggs", "vegetable oil", "water", "white vinegar", "cocoa", "milk", "cream cheese", "vanilla pudding"]