Marinated Beef Fondue

In a 1-cup measure, combine soy sauce, Worcestershire sauce and garlic. Divide mixture between two large resealable plastic bags. Add beef to one bag; add pork to the second bag. Seal bags and turn to coat; refrigerate for 4 hours, turning occasionally. , Meanwhile, in a small bowl, combine the horseradish sauce ingredients. In another bowl, combine the tomato sauce, steak sauce and brown sugar. Cover and refrigerate sauces until serving., Drain meat and discard marinade. Pat meat dry with paper towels. Using one fondue pot for every six people, heat 2-3 cups oil in each pot to 375°. With fondue forks, cook meat in oil until it reaches desired doneness. Serve with sauces.