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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appropriate. The award or decision rendered by the arbitrator shall be final, binding and conclusive and judgment may be entered upon such award by any court. SECTION TWENTY-ONE. HEADINGS Section headings contained in this Agreement are solely for the purpose of aiding in speedy location of subject matter and are not in any sense to be given weight in the construction of this Agreement. Accordingly, in case of any question with respect to the construction of this Agreement, it is to be construed as though such section headings had been omitted. 9 Source: GRIDIRON BIONUTRIENTS, INC., 8-K, 12/6/2017 SECTION TWENTY-TWO. NO JOINT VENTURE This Agreement does not constitute and shall not be construed as constituting an association, partnership, joint venture or relationship of principal and agent, or employer and employee, between NFLA and Company. Neither party shall have any right to obligate or bind the other party in any manner whatsoever except as expressly set forth in this Agreement, nothing contained in this Agreement shall give, or is intended to give, any rights of any kind to any person. SECTION TWENTY-THREE. ENTIRE AGREEMENT This writing constitutes the entire agreement between the parties to this Agreement and may not be changed or modified except by a writing signed by the party or parties to be charged by such change or modification. The parties have executed this Agreement on October 30, 2017. Food For Athletes, Inc. / Gridiron BioNutrients™ By: /s/ Darren Long Darren Long - CEO The National Football League Alumni, Inc. By: /s/ Elvis Gooden Elvis Gooden - President NFL Alumni - Northern California Chapter By: /s/ Eric Price Eric Price - President 10 Source: GRIDIRON BIONUTRIENTS, INC., 8-K, 12/6/2017 EXHIBIT A PRO FOOTBALL LEGENDS LOGO 11 Source: GRIDIRON BIONUTRIENTS, INC., 8-K, 12/6/2017 EXHIBIT B NFLA agrees to promote Company and Company's products to NFLA database by: 1. E-blasts: NFLA to send a minimum of two (2) dedicated e-blasts per year to NFLA database. All e-blast communications must be approved in writing by Company; 2. Newsletter: NFLA to feature Company in Weekly Newsletter "Partner Spotlight" a minimum of four (4) times per year. All newsletter communications must be approved in writing by Company; and 3. Social Media: NFLA to feature Company on all social media channels a minimum of four (4) times per year. All newsletter communications must be approved in writing by Company. 12 Source: GRIDIRON BIONUTRIENTS, INC., 8-K, 12/6/2017
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Extract the exact clause related to "Covenant Not To Sue" from the excerpt above.