If, as of the expiration of the Cure Period, the Parties cannot agree upon (a) the existence of a Title Defect, the adequacy of any Title Defect curative materials submitted to Buyer, or the Title Defect Amount with respect to any Title Defect (each, a “ Disputed Title Matter ”) or (b) the existence of an Environmental Defect, the adequacy of any Environmental Defect curative actions taken by Seller, or the Environmental Defect Amount with respect to any Environmental Defect (each, a “ Disputed Environmental Matter ” and, together with any Disputed Title Matter, a “ Disputed Matter ”) then the Disputed Matter shall be submitted to arbitration in accordance with the provisions of Article XI .