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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and prior to the public exhibition of any Advertisement, PAPA JOHN'S shall create and submit to ABG, via email (as specified by ABG), the completed Advertisement intended for public exhibition. After Approval of such Advertisement, PAPA JOHN'S shall be permitted to publicly exhibit the same, through those channels (e.g., broadcast television, Internet, radio) Approved by ABG, in each case, subject to the terms and conditions of this Agreement. 3. Legal Lines. Upon ABG's reasonable request, uses of the Personality Rights shall bear appropriate copyright, trademark and credit notices, as provided by ABG ("Legal Lines"), either directly on the Materials using the same, or on stickers or labels affixed thereto, such placement to be mutually agreed upon by the Parties. 4. PAPA JOHN'S shall not itself or through its agents or representatives or otherwise indirectly, make, issue, distribute or disseminate any information or statements to the press regarding ABG, CELEBRITY, Celebrity's Endorsement of PAPA JOHN'S Products and/or matters pertaining to or arising out of this Agreement (each a "Press Release"). In the event that PAPA JOHN'S desires to issue a Press Release, PAPA JOHN'S shall submit the same to ABG for Approval. If ABG has not responded in writing prior to the expiration of an Approval Window, then the submission shall be deemed disapproved. ABG shall have the right, but not the obligation, to include PAPA JOHN'S, Celebrity's Endorsement of PAPA JOHN'S Products, and the existence of a partnership between ABG and PAPA JOHN'S in connection with CELEBRITY in Press Releases, subject to PAPA JOHN'S approval, such approval not to be unreasonably withheld. 4 Source: PAPA JOHNS INTERNATIONAL INC, 8-K, 6/17/2019 5. Brand Restrictions. PAPA JOHN'S shall not, during the Term or at any time thereafter: (I) defame or disparage CELEBRITY or the Personality Rights (or any portion thereof), nor shall PAPA JOHN'S place the CELEBRITY or the Personality Rights (or any portion thereof) in a negative light, whether in connection with this Agreement or otherwise, or (ii) utilize the Personality Rights (or any portion thereof) in association with, nor shall PAPA JOHN'S associate CELEBRITY with any of the following: (A) alcohol, drugs (including, without limitation, both prescription and non-prescription) or other supplements; (B) death; (C) pornography or other "adult only" or sexually explicit activities; (D) massage parlors, prostitution or any dating or escort activities; (E) weapons or ammunition; (F) denigration or discrimination against individuals based on race, national origin, gender, religion, disability, ethnicity, sexual orientation, gender identity or age; (G) incontinence; (H) weight loss/gain; (I) medical conditions (including, without limitation, hair loss); or (J) political campaigns or causes. 6. Enforcement of Celebrity Endorsement and Personality Rights. ABG shall have the exclusive right, at ABG's sole cost and expense (excluding PAPA JOHN'S outside counsel fees and costs) and exercisable at ABG's sole discretion, to institute in its own name, and to control, with counsel of its own choosing, all claims, suits and/or actions against third parties relating to the Personality Rights, and other proprietary rights in and to the same ("Infringement Claim"), and ABG shall be entitled to receive and retain all amounts awarded, if any, as damages, profits or otherwise, in connection with such Infringement Claims. PAPA JOHN'S shall assist ABG to ensure that third parties do not unlawfully infringe on the Personality Rights. PAPA JOHN'S shall promptly notify ABG of any such infringements of which PAPA JOHN'S becomes aware. PAPA JOHN'S shall not take any action on account of, or in connection with, any Infringement Claim, other than to notify ABG of the same, and to cooperate with ABG, pursuant to this Section. PAPA JOHN'S hereby acknowledges that: (i) 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
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Extract the exact clause related to "Most Favored Nation" from the excerpt above.

assistant: Not found.