interpretation, our task is to ascertain the intention of the parties based upon the usual. natural, and ordinary meaning of the contract language. Planters Gin Co. v. Fed, Compress & Warehouse Co.. Inc.. 78 S. W.34 885. 889-90 (Tenn 2002)(citing Guiliano v. Cleo. Inc., 995 S.W2d 88. 95 (Tenn. 1999)). A determin