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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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 shall be lodged in first class hotel accommodations and all of them shall be reimbursed for all meals and other incidental expenses in connection with such appearances. All the above travel expenses of KI and the members of her entourage shall be billed directly to Diplomat. For purposes of this paragraph (c), the term "travel expenses" shall include (d) Photo Sessions. KI will participate in up to two (2) photo sessions per License Year during the period of this Agreement on behalf of Diplomat at a mutually acceptable time and place. The photo sessions shall be scheduled at KI's convenience upon not less than two (2) weeks prior notice, and shall be subject to KI's preexisting personal and professional commitments. The photo sessions shall be up to two (2) consecutive days in duration, each day to consist of no more than eight (8) working hours. The photo shoots shall be produced by SW, approved in writing by Diplomat (which approval shall not be unreasonably withheld), and all images produced from the photo sessions shall be the property of SW. The parties agree that all images from the photo sessions shall be retouched at the expense of Diplomat. In recognition of SW's expenses in connection with the above photo sessions, Diplomat shall pay SW the sum of $ per day for each day (or partial day) of such photo sessions. It is understood by the parties that such sum shall include all expenses required to provide Diplomat with positive film (excluding travel expenses of KI, as set forth in this Agreement), and that such sum contemplates a typical location for such photo sessions. If a more elaborate set-up for such photo sessions is required, and such set-up is mutually agreed to by the parties, then the above sum shall be increased to such amount as the parties shall agree. The above sum shall not include retouching images. (e) Videotapes. KI will participate in the production of up to one (1) product information/sales video per License Year during the period of this Agreement on behalf of Diplomat at a mutually acceptable time and place. The video production sessions shall be scheduled at KI's convenience upon not less than two (2) weeks prior notice, and shall be subject to KI's preexisting personal and professional commitments. The video production sessions shall be up to two (2) consecutive days 4 in duration, each day to consist of no more than eight (8) working hours. The video production sessions shall be produced by SW, approved in writing by Diplomat (which approval shall not be unreasonably withheld), and all images produced from the video production sessions shall be the property of SW. In recognition of SW's expenses in connection with such video production sessions, Diplomat shall pay SW a sum per day for each day (or partial day) of such sessions, such sum to be agreed upon by the parties. It is understood by the parties that such sum shall include all expenses required to provide Diplomat with an acceptable video (excluding travel expenses of KI, as set forth in this Agreement). (f) Scope of License. The license granted to Diplomat in subparagraph 2(a) of this Agreement shall include the right to use the photos and videotapes referred to in subparagraphs 5(d) and 5(e) of this Agreement in connection with the marketing, distribution and sale of the products described in subparagraph 2(a) of this Agreement, subject to the prior approval of KI, Inc. 6. Good Will, Etc. Diplomat recognizes the great value of the good will associated with KI's name and acknowledges that (a) KI's name, and
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Extract the exact clause related to "Warranty Duration" from the excerpt above.