system: You are a contract-analysis assistant performing a span-extraction task. You are given an excerpt from a commercial contract and the name of a clause type to locate within it.

Return the exact text of the requested clause, copied verbatim from the excerpt — identical wording and punctuation, with no paraphrasing, summarising, explanation, or added commentary.

The excerpt is one window of a much longer contract and often will not contain the requested clause. If the requested clause does not appear in this excerpt, respond with exactly: Not found.

Output only the extracted clause text, or the exact string `Not found.` — nothing else.

user: Contract excerpt:
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by which information o data may be transmitted from a POS system operated by the Franchisee or its agents into a computer or system operated by BKC, it agents or Affiliates. If for any reason polling is not practicable, BKC may require the Franchisee to download such information into machine readable form compatible with the system operated by BKC, its agents or Affiliates and to derive such information to BKC by such method and within such timescale as BKC may reasonably determine. 10.5.3 OTHER INFORMATION. The Franchisee shall if requested and as long as polling is not possible provide to BKC such information as BKC may from time to time require regarding product volumes and production. 11. LIMITATIONS OF FRANCHISE. 11.1 TRADEMARKS, TRADE NAMES, SERVICE MARKS AND TRADE SECRETS. 11.1.1 REGISTRATION ASSISTANCE BY FRANCHISEE. The Franchisee shall, upon request and at no expense to the Franchisee assist BKC in perfecting and obtaining registration of unregistered Burger King Marks. 11.1.2 OWNERSHIP. The Franchisee acknowledges that ownership of all right, title and interest to the Burger King System and the Burger King Marks (registered and unregistered) is and shall remain vested solely in BKC. The Franchisee acknowledges the uniqueness of the Burger King System an that the Franchisee has had no part in its creation or development, no prior knowledge of, and no proprietary or other rights or claims in or to any element of the Burger King System or the Burger King Marks. 11.1.3 CONFIDENTIALITY OF TRADE SECRETS. The Franchisee agrees that all materials made available to the Franchise and all disclosures made to the Franchisee, and not to the general public, by or at the direction of BKC at any time before or during the term of this Agreement, including the MOD Manual in its entirety and any translations thereof, are to be considered trade secrets of BKC for purpose of this Agreement and shall be kept confidential and used by the Franchisee only in the operation of the Franchised Restaurant and other licensed Burger King Restaurants. The Franchise agrees not to divulge any of the trade secrets to any person other than the Franchisee's employees and then only to the extent necessary for the operation of the Franchised Restaurant, an d not to permit anyone to reproduce, copy or exhibit any portion of the MOD Manual or any other confidential or proprietary information received from BKC, except for translating from English to the language of the country in which the Franchised Restaurant is located, if the Franchisee's employees cannot read and understand English. 16 11.1.4 REGISTERED USER AGREEMENTS. The Franchisee shall, whenever requested by BKC, enter into one or more Registered User Agreements authorizing and permitting the use of the Burger King Marks as provided in this Agreement and to execute any documents and/or do such things as are requested to assist BKC in connection with registration of any Registered User Agreement. Nothing in any Registered User Agreement shall be construed as giving the Franchisee the right to transfer or sublicense the Franchisee's right to use the Burger King Marks. 11.1.5 NO IMPAIRMENT OF MARKS. The Franchisee will not directly or indirectly, at any time during the term of this Agreement or thereafter, do or cause to be done any act or thing disputing, attacking or in any way impairing the validity of and BKC's right, title or interest in the Burger King Marks and the Burger King System. 11.1.6 ASSIGNMENT OF RIGHTS IN MARKS. The Franchisee hereby assigns to BKC such rights (if any) as the Franchisee may hereafter acquire in any of the Burger King Marks or the Burger King System and shall execute such documents and do such acts at the cost of BKC as may be necessary to perfect such assignment. 11.1.7 INFRINGEMENT, ETC. The Franchisee shall immediately notify BKC of all infringements or imitations of the Burger King Marks which come to the Franchisee's attention, and all challenges to the Franchisee's use c f any of the Burger King Marks. BKC will take such action as it in its sole discretion deems appropriate to prevent unauthorized persons from using the Burger King Marks. The Franchisee agrees to cooperate in the prosecution of any action to prevent the infringement, imitation, illegal se or misuse of the Burger King Marks or the Burger King System and agrees to be named as a party in any such action if so requested by BKC. BKC agrees to bear the legal expenses and costs incidental to the Franchisee's participation
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Extract the exact clause related to "Non-Disparagement" from the excerpt above.

assistant: The Franchisee will not directly or indirectly, at any time during the term of this Agreement or thereafter, do or cause to be done any act or thing disputing, attacking or in any way impairing the validity of and BKC's right, title or interest in the Burger King Marks and the Burger King System.