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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otherwise as participants in a joint or common undertaking, or (c) allow a Party to bind the other Party in any manner or otherwise create or assume any obligation on behalf of the other Party for any purpose whatsoever. A Party will not be considered an agent of the other Party. k. Non-Exclusive Supply Relationship. Except as may be provided in a Purchase Schedule, the Agreement is not evidence of, nor does it create, any form of exclusive supply relationship between the Parties concerning the purchase and sale of products. Except as may be provided in a Purchase Schedule and for the types and quantities of products in an accepted purchase order, nothing in the Agreement obligates a Party to sell or purchase any specified volume, market share or other minimum level of products during the Term. l. Construction. Unless the context otherwise requires, the following rules of construction will be applied to in the interpretation of the Agreement: (1) Headings are for convenience only and do not affect interpretation; (2) Singular includes the plural and vice-versa; (3) Gender includes all genders; (4) If a word or phrase is defined, its other grammatical forms have a corresponding meaning; (5) The meaning of general words is not limited by specific examples introduced by "includes", "including" or "for example" or similar expressions; (6) The word "person" includes an individual, corporation, company, trust, partnership, limited partnership, unincorporated body, joint venture, consortium or other legal entity; (7) A reference in any Purchase Schedule or Exhibit to an Article, Section, Subsection or Clause is a reference to an Article, Section, Subsection or Clause in that Purchase Schedule or Exhibit unless otherwise identified; (8) Reference to a Purchase Schedule or Exhibit is a reference to a Schedule, Exhibit described, appended or otherwise identified in this Agreement; (9) A reference to conduct includes, without limitation, an omission, statement or undertaking, whether or not in writing; (10) A reference to a third-party is a reference to a person who is not a Party to this Agreement; (11) Where a period of time is specified for the performance of any act and dates from a given day or the day of an act or event, the period shall be exclusive of that date; and (12) the Parties agree that the Agreement is the product of negotiation between sophisticated parties and individuals, all of whom were or have been given the opportunity to be represented by counsel, and each of whom had an opportunity to participate in, and did participate in, negotiation of the terms hereof. Accordingly, the Parties acknowledge and agree that the Agreement is not a contract of adhesion and that ambiguities in the Agreement, if any, shall not be construed strictly or in favor of or against either Party, but rather shall be given a fair and reasonable construction. m. Execution. This Agreement may be executed in any number of counterparts, each of which shall be deemed an original as against the Party whose signature appears thereon, but all of which taken together shall constitute but one and the same instrument. Acceptance of this Agreement may be made by e-mail, mail or other commercially reasonable means showing the signatures of the chief executive officers of the Parties. Source: REYNOLDS CONSUMER PRODUCTS INC., S-1, 11/15/2019 In witness whereof, Seller and Buyer have executed this Master Supply Agreement as of the Effective Date. REYNOLDS CONSUMER PRODUCTS LLC, as Seller By: //s// Lance Mitchell Lance Mitchell Chief Executive Officer PACTIV LLC, as Buyer By: //s// John McGrath John McGrath Chief Executive Officer Source: REYNOLDS CONSUMER PRODUCTS INC., S-1, 11/15/2019
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Extract the exact clause related to "Warranty Duration" from the excerpt above.

assistant: Not found.