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:
"""
ABG and CELEBRITY have no obligation to take any action in connection with any Infringement Claim, and (ii) ABG and CELEBRITY shall incur no liability by reason of: (A) ABG's or CELEBRITY's failure or refusal to take any such action against any Infringement Claim, or (B) any settlement relating to any Infringement Claim to which ABG or CELEBRITY may agree. 7. No Attack. PAPA JOHN'S shall not, during the Term or at any time thereafter, attack or challenge, or lend assistance to any third party in connection with an attack or challenge, of any right, title or interest of ABG in and to any Personality Rights (including, without limitation, copyrights, trademarks and/or patents), whether by way of: (i) an application for and/or an opposition against any intellectual property rights relating to the Personality Rights, (ii) adoption and/or application for and/or registration of any intellectual property rights (including, without limitation, domain names, business names, and social media accounts) that are confusingly similar to, that dilute, or that infringe, any of the Personality Rights, or (iii) any lawsuit, cancellation proceeding or action, or otherwise. PAPA JOHN'S shall not represent in any filing, presentation, document or other statement, whether written or verbal, that PAPA JOHN'S or any third party is the owner of the Personality Rights, and PAPA JOHN'S shall not use or display any of the foregoing except as expressly permitted herein. 5 Source: PAPA JOHNS INTERNATIONAL INC, 8-K, 6/17/2019 4. Services. To facilitate PAPA JOHN'S usage of the right and license to the Celebrity Endorsement with respect to the Products as provided herein, during each Contract Year during the Term of the Agreement, subject to CELEBRITY's prior personal and professional obligations, and further subject to advance scheduling reasonable acceptable to ABG and CELEBRITY and to confirmation with respect to scheduling dates, times, and locations, and subject to Section 5(C) below, ABG agrees to cause CELEBRITY to provide the services set forth below ("Services"). ABG shall require CELEBRITY to provide the Services in a professional manner, subject to the terms and conditions of this Agreement. A. At least eight (8) "Service Days", including but not limited to: 1. Production days. Up to four (4) production days (defined as a maximum of eight (8) consecutive hours each), with PAPA JOHN'S creative agency. 2. Personal appearances. CELEBRITY shall appear at least (each of the following not to exceed six (6) consecutive hours): (A) One (1) day engaging with franchisees and team members at company-wide event(s); (B) One (1) day visiting Papa John's Pizza stores, date and locations to be mutually agreed upon by the Parties; and (C) One (1) day at a community event, date and location to be mutually agreed upon by the Parties. PAPA JOHN'S and ABG shall both use commercially reasonable efforts to schedule the dates, times and locations for Service Days so as to meet the reasonable needs of PAPA JOHN'S while not unreasonably conflicting with CELEBRITY's previously scheduled other commitments. PAPA JOHN'S understands that if Service Days are requested hereunder, then such Service Days may be coordinated with similar services for others entitled to the use of CELEBRITY's personal services (e.g., if Service Days include traveling to Las Vegas, Nevada, CELEBRITY and/or ABG may coordinate such Service Days to be performed during a previously scheduled trip to Las Vegas, Nevada). PAPA JOHN'S shall provide local hair, make-up and/or wardrobe stylists for CELEBRITY in connection with all Service Days hereunder, provided each such stylist, and all wardrobe selections, shall be pre- approved by CELEBRITY in his sole, absolute discretion. The timing allocated in Section 4(A) above for all Service Days shall be exclusive of travel time, but inclusive of time spent for makeup, wardrobe, and reasonable breaks. 6 Source: PAPA JOHNS INTERNATIONAL INC, 8-K, 6/17/2019 B. Social media posts. ABG shall require CELEBRITY to post on each of CELEBRITY's Instagram (the page located at www.instagram.com/shaq and Personality's Instagram account (@shaq)), Twitter (the page located at www.twitter.com/shaq and Celebrity's Twitter account (@shaq)), and Facebook (the page located at www.facebook.com/shaq) at least one post (1) per month promoting Papa John's Products. Each post shall be created by PAPA JOHN'S, but subject to ABG's Approval in each instance. PAPA JOHN'S shall provide ABG and CELEBRITY with all suitable and necessary language, compliant with all Federal Trade Commission ("FTC") standards and requirements to include in each post (each a or the, "Required Disclosure") which shall clearly and conspicuously disclose to the public that ABG and/or CELEBRITY has been paid by PAPA JOHN'S in connection
"""

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

assistant: PAPA JOHN'S shall not, during the Term or at any time thereafter, attack or challenge, or lend assistance to any third party in connection with an attack or challenge, of any right, title or interest of ABG in and to any Personality Rights (including, without limitation, copyrights, trademarks and/or patents), whether by way of: (i) an application for and/or an opposition against any intellectual property rights relating to the Personality Rights, (ii) adoption and/or application for and/or registration of any intellectual property rights (including, without limitation, domain names, business names, and social media accounts) that are confusingly similar to, that dilute, or that infringe, any of the Personality Rights, or (iii) any lawsuit, cancellation proceeding or action, or otherwise.