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:
"""
No amendments, modifications or releases from any provision hereof shall be effective unless in writing and signed by both parties. 27. WAIVER Unless otherwise mutually agreed in writing, no departure from, waiver of, or omission to require compliance with any of the terms hereof by either party shall be deemed to authorize any prior or subsequent departure or waiver, or obligate either party to continue any departure or waiver. [***** ] Confidential Material redacted and filed separately with the Commission. 10 28. EXECUTION AND DELIVERY REQUIRED This instrument shall not be considered to be an agreement or contract nor shall it create any obligation whatsoever on the part of CONSULTANT or ADAMS GOLF unless and until it has been signed by CONSULTANT, or a duly authorized representative, and by duly authorized representatives of ADAMS GOLF and delivery has been made of a fully signed original to both parties. 29. SEVERABILITY Any provision or part of this Agreement prohibited by applicable law shall be ineffective to the extent of such prohibition without invalidating the remaining provisions or parts hereof. 30. RELATIONSHIP Both parties agree that this Agreement does not constitute and shall not be construed as a constituting of a partnership or joint venture between ADAMS GOLF and CONSULTANT. Neither party shall have any right to obligate or bind the other party in any manner whatsoever, and nothing herein contained shall give or is intended to give any rights of any kind to any third person. 31. ASSIGNMENT AND CHANGE OF CONTROL Neither ADAMS GOLF nor CONSULTANT shall have the right to grant sublicenses hereunder or to assign, alienate or otherwise transfer any of its rights or obligations hereunder. 32. CONFIDENTIALITY Both parties understand that the contents of this Agreement, including, but not limited to, all amounts paid or to be paid and any additional consideration, are extremely confidential, and that disclosure of same to any third party could be detrimental to the interests of one or both parties. Therefore, both parties agree not to disclose the terms of this Agreement, without the permission of the other party, to any third party other than to CONSULTANT'S business, legal and financial advisors, and with respect to all such advisors, CONSULTANT shall take all reasonable steps to ensure such confidentiality to ADAMS GOLF. Furthermore, CONSULTANT recognizes that during the course of performing his duties hereunder he may become aware of proprietary, confidential information concerning ADAMS GOLF, its PRODUCT, methods, processes, billing practices, financial condition, etc., or information ADAMS GOLF designates as confidential (collectively "Confidential Information"). CONSULTANT agrees that he will maintain in confidence and not disclose to any third party at any time any such Confidential Information and shall not use any such information to the detriment of ADAMS GOLF or for any purpose not contemplated by the Agreement. 11 33. ARBITRATION In the event a dispute arises under this Agreement which cannot be resolved, such dispute shall be submitted to arbitration and resolved by a panel of three arbitrators (who shall be lawyers), in a decision required by a majority of the arbitrators. If the parties cannot agree upon the panel of three arbitrators, then each party may pick an arbitrator and the two chosen arbitrators shall choose upon the three-arbitrator panel. The arbitration shall be conducted in accordance with the Arbitration Rules of the American Arbitration Association. Venue shall be Kansas. The award or decision rendered by the arbitration panel shall be final, binding and conclusive and judgment may be entered upon such award by any court of competent jurisdiction. 34. NOTICE Every written notice or written report which may be served upon CONSULTANT, according to the terms of this Agreement, may be served by enclosing it in a postpaid envelope addressed to: Mr. Tom Watson C/O Assured Management Company 1901 W. 47th Place, Suite 200 Westwood, Kansas 66205 or at such other address as is given in writing to ADAMS GOLF by CONSULTANT. Every written notice which may be served upon ADAMS GOLF, according to the terms of this Agreement, shall be served by enclosing it in a postpaid envelope addressed to: Attention Legal Department ADAMS GOLF, LTD. 2801 East Plano Parkway Plano, Texas 75074 or at such other address as is given in writing by ADAMS GOLF to CONSULTANT. 12 IN WITNESS WHEREOF, the parties hereto have caused this Agreement to be executed as of the date first set forth above. APPROVED FOR CONSULTANT By: /s/ Tom Watson Date: January 13, 2005 Tom Watson APPROVED FOR ADAMS GOLF, LTD.
"""

Extract the exact clause related to "Covenant Not To Sue" from the excerpt above.

assistant: Not found.