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:
"""
and (b) any member or members of the Party Groups, including any and all such agreements identified in Schedule 5.0; provided that, notwithstanding the foregoing, and without limitation, for the purposes of this Agreement, a Third Party Agreement shall not include any agreement between or among members of different Party Groups to the extent including a Future Affiliate Provision. "Trade Secrets" shall mean rights in information or know how, regardless of form, including ideas, inventions, designs, drawings, specifications, product configurations, prototypes, models, improvements, technical data and other data, databases, formulae, algorithms and mathematical embodiments, laboratory notebooks, pricing and cost information, plans, proposals, processes, procedures, schematics, manufacturing techniques, business methods, 6 customer lists and supplier lists, and Invention Disclosures, that (a) derives economic value, actual or potential, from not being, and is not, generally known or readily ascertainable by proper means and (b) is the subject of efforts that are reasonable under the circumstances to maintain the confidentiality or secrecy thereof. "Trademarks" shall mean trademark rights, whether registered or unregistered, including in trademarks, service marks, trade names, brand names, certification marks, collective marks, Internet domain names and registrations, logos, slogans, symbols, trade dress and designs, and including all registrations, renewals, and applications for registration of the foregoing. "United Technologies Trademarks" shall mean all Trademarks to the extent consisting of or containing "UTC," "United Technologies Corporation," "United Technologies," "UTX," the UTC Icon, "ACE," "Achieving Competitive Excellence," all ACE logos, "ESP," "Employee Scholar Program," all ESP logos, "ITC360," all ITC360 logos, and any variations or derivatives of any of the foregoing, and any Trademarks that are confusingly similar thereto. "UTC" shall have the meaning defined in the preamble. "UTC Icon" shall mean the symbol, also known as the UTC gear logo, identified as the "UTC Icon" in the UTC "Corporate Identity Guidelines - Brand Basics" document attached as Schedule 4.1.1, regardless of color or size, and any variant thereof. "UTC NDA" shall have the meaning defined in Section 6.4. ARTICLE II ASSIGNMENT OF SOLELY OWNED INTELLECTUAL PROPERTY RIGHTS 2.1 Assigned Intellectual Property Rights 2.1.1 Assignments by an Assignor Party. Subject to Section 3.2, each Assignor Party, on behalf of itself and the other members of the Assignor Group, hereby irrevocably assigns to the applicable Assignee Party, and agrees to irrevocably assign to the applicable Assignee Party, all of its and the other members of the Assignor Group's rights, title and interest in and to any and all Intellectual Property Rights owned by the Assignor Party or another member of the Assignor Group that meets one or more of the following descriptions: (a) the Intellectual Property Rights are Requester Foreground IPR conceived or created in the course of services concerning which the Assignee Party or another member of the Assignee Group was the Requester, and the Assignor Party or another member of the Assignor Group was the Performer; or (b) the Intellectual Property Rights are Performer Foreground-Delivered IPR conceived or created in the course of services concerning which the Assignee Party or another member of the Assignee Group was the Requester, and the Assignor Party or another member of the Assignor Group was the Performer; or 7 (c) the Intellectual Property Rights are Performer Foreground-Undelivered IPR conceived or created in the course of services concerning which the Assignor Party or another member of the Assignor Group was the Requester, and the Assignee Party or another member of the Assignee Group was the Performer (collectively, "Assigned Intellectual Property Rights"). ARTICLE III LICENSING OF INTELLECTUAL PROPERTY RIGHTS 3.1 Licensed Intellectual Property Rights 3.1.1 License Grants by a Licensor Party. Subject to Section 3.2, a Licensor Party, on behalf of itself and the other members of the Licensor Group, and solely to the extent the Licensor Party or another member of the Licensor Group has the right to do so, hereby grants and agrees to grant to the applicable Licensee Party and the other members of the Licensee Group, subject to the field restriction of Section 3.1.2, a royalty-free, nonexclusive, perpetual, irrevocable, fully paid-up, worldwide right and license, with the right to sublicense as provided in Section 3.1.3, to Exploit Intellectual Property Rights that are owned by the Licensor Party or another member of the Licensor Group immediately following the assignments pursuant to Article II and meet one or more of the following descriptions with respect to the relevant Licensee Party: (a) the Intellectual Property Rights are rights under Licensed Patents or other Intellectual Property Rights that, in each case, as of the Effective Time, are either
"""

Extract the exact clause related to "Most Favored Nation" from the excerpt above.

assistant: Not found.