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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Deal Memo dated August 24, 1995, the balance of $ to be paid in six (6) equal, consecutive, monthly installments of $ commencing with the month in which this Agreement is signed. No part of the minimum royalty for the first License Year shall in any event be repayable to Diplomat. The minimum royalty for the 2nd, 3rd and 4th License Years shall be made in four equal installments payable on February 1st, May 1st, August 1st and November 1st of each such License Year. Notwithstanding the foregoing, if royalties paid by Diplomat to KI, Inc. on net 2 wholesale volume for any particular License Year under subparagraph 3(a) of this Agreement should exceed the minimum royalties remaining to be paid for that same License Year under this subparagraph 3(b), then no further payments of minimum royalties for such License Year shall be required under this subparagraph 3(b). (c) Periodic Statements. Within thirty (30) days after the initial shipment of the products covered by this Agreement, and promptly on the 15th of each calendar month thereafter, Diplomat shall furnish to KI, Inc. complete and accurate statements certified to be accurate by Diplomat showing the number, description and gross sales price, itemized deductions from gross sales price, and net sales price of the products covered by this Agreement distributed and/or sold by Diplomat during the preceding calendar month, together with any returns made during the preceding calendar month. Such statements shall be furnished to KI, Inc. whether or not any of the products have been sold during the preceding calendar month. (d) Royalty Payments. Royalties in excess of the minimum royalty shall be due on the 25th day of the month following the calendar month in which they are earned, and payment shall accompany the statements furnished pursuant to subparagraph (c), above. The receipt or acceptance by KI, Inc. of any of the statements furnished pursuant to this Agreement, or of any royalties paid hereunder, or the cashing of any royalty checks paid hereunder, shall not preclude KI, Inc. from questioning the correctness of such statements or payments, provided all such questions are raised with Diplomat within two years of the date of KI Inc's receipt of the statement or payment in question. In the event any inconsistencies or mistakes are discovered in such statements or payments, they shall immediately be rectified and the appropriate payments made by Diplomat. 4. Exclusivity. The license hereby granted shall be exclusive as to the products described in subparagraphs 2.(a)(1) and (2) of this Agreement, but nonexclusive as to all other products covered by this Agreement. Nothing in this Agreement shall be construed to prevent KI, Inc. from granting any other licenses for the use of KI's name or likeness, or from utilizing KI's name and likeness in any manner whatsoever, except that KI, Inc. agrees that except as provided herein it will grant no other licenses for the territory to which this license extends for the use of KI's name and likeness in connection with the sale of the products described in subparagraphs 2.(a)(1) and (2) of this Agreement effective during the term of this Agreement. 5. Personal Endorsement and Appearances. (a) Endorsement. KI, Inc. agrees that KI shall endorse KI Eyewear and that KI will use her best efforts to wear KI Eyewear whenever reasonably possible and appropriate, with KI to have sole, unfettered discretion as to where and when to wear KI Eyewear. 3 (b) USA Appearance. KI will make one (1) personal appearance per License Year during the period of this Agreement on behalf of Diplomat at the Vision Expo in New York, New York, subject to the terms of this paragraph. Such appearance shall be for the purpose of signing autographs, shall last for a period of up to three (3) hours, and shall be subject to KI's schedule and availability. Diplomat, at its own expense, shall provide KI with a hair and make-up assistant of KI's choosing for each personal or media appearance required under this Agreement. (c) Travel. Travel expenses of KI in connection with all scheduled personal appearances under this Agreement, as well the travel expenses of KI's child, the child's nanny, KI's hair and make-up assistant of KI's choosing, and two (2) additional traveling companions of KI's choosing (collectively referred to as KI's "entourage"), shall be provided by Diplomat. KI and the members of her entourage shall travel via first class air and portal-to-portal limousine ground transportation. In addition, KI and the members of her entourage
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Extract the exact clause related to "Warranty Duration" from the excerpt above.