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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alter, delete or otherwise modify elements of the System; 2.2.2.2 use or license to others all or part of the System; 2.2.2.3 use the facilities, programs, services and/or personnel used in connection with the System in Other Businesses; and 2.2.2.4 use the System, the Brand and the Marks in the Other Businesses. 2.2.3 You acknowledge and agree that you have no rights to, and will not make any claims or demands for, damages or other relief arising from or related to any of the foregoing activities, and you acknowledge and agree that such activities will not give rise to any liability on our part, including liability for claims for unfair competition, breach of contract, breach of any applicable implied covenant of good faith and fair dealing, or divided loyalty. 3.0 TERM The Term shall begin on the Effective Date and will end, without further notice, on the Expiration Date set forth in the Addendum, unless terminated earlier under the terms of this Agreement. You acknowledge and agree that this Agreement is non-renewable and that this Agreement confers on you absolutely no rights of license renewal or extension whatsoever following the Expiration Date. 4.0 OUR RESPONSIBILITIES We have the following responsibilities to you under this Agreement, We reserve the right to fulfill some or all of these responsibilities through one of the Entities or through unrelated third parties, in our sole business judgment. We may require you to make payment for any resulting services or products directly to the provider. 4.1 Training. We may specify certain required and optional training programs and provide these programs at various locations. We may charge you for required training services and materials and for optional training services and materials we provide to you. You are responsible for all travel, lodging and other expenses you or your employees incur in attending these programs. 4.2 Reservation Service. We will furnish you with the Reservation Service. The Reservation Service will be furnished to you on the same basis as it is furnished to other System Hotels, subject to the provisions of Subsection 14.3 below. 4.3 Consultation. We may offer consultation services and advice in areas such as operations, facilities, and marketing. We may establish fees in advance, or on a project-by-project basis, for any consultation service or advice you request. 4.4 Marketing. 4.4.1 We will publish (either in hard copy or electronic form) and make available to the traveling public a directory that includes System Hotels. We will include the Hotel in advertising of System Hotels and in international, national and regional marketing programs in accordance with our general practice for System Hotels. 7 4.4.2 We will use your Monthly Program Fee to pay for various programs to benefit the System, including: 4.4.2.1 advertising, promotion, publicity, public relations, market research, and other marketing programs; 4.4.2.2 developing and maintaining directories of and Internet sites for System Hotels; 4.4.2.3 developing and maintaining the Reservation Service systems and support; and 4.4.2,4 administrative costs and overhead related to the administration or direction of these projects and programs. 4.4.3 We will have the sole right to determine how and when we spend these funds, including sole control over the creative concepts, materials and media used in the programs, the placement and allocation of advertising, and the selection of promotional programs. 4.4.4 We may enter into arrangements for development, marketing, operations, administrative, technical and support functions, facilities, programs, services and/or personnel with any other entity, including any of the Entities or a third party. 4.4.5 You acknowledge that Monthly Program Fees are intended for the benefit of the System and will not simply be used to promote or benefit any one System Hotel or market. We will have no obligation in administering any activities paid for with the Monthly Program Fee to make expenditures for you that are equivalent or proportionate to your payments or to ensure that the Hotel benefits directly or proportionately from such expenditures. 4.4.6 We may create any programs and allocate monies derived from Monthly Program Fees to any regions or localities, as we consider appropriate in our sole business judgment. The aggregate of Monthly Program Fees paid to us by System Hotels does not constitute a trust or "advertising fund" and we are not a fiduciary with respect to the Monthly Program Fees paid by you and other System Hotels. 4.4.7 We are not obligated to expend funds in excess of the amounts received from System Hotels. If any interest is earned on unused Monthly Program Fees, we will
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Extract the exact clause related to "Warranty Duration" from the excerpt above.

assistant: Not found.