Heat Oil In A Large Skillet Over Medium High Heat. Add Chicken And Saute For About 5 Minutes, Until Browned. Season With Italian-Style Seasoning, Garlic Powder And Sage And Saute For Another 10 Minutes, Until Chicken Is Almost Cooked Through And Juices Run Clear. Pour Tomatoes And Liquid Over Chicken, Then Add Gravy Mix And Wine And Stir All Together. Reduce Heat To Low And Simmer For About 20 Minutes. Serve Hot Over Cooked Rice, If Desired.