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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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 all rights and good will pertaining to KI's name, belong exclusively to KI, Inc. and (b) that KI's name has a secondary meaning in the mind of the public. 7. KI, Inc.'s Title and Protection of KI. Inc.'s Rights. (a) Diplomat agrees that it will not at any time during the term of this Agreement or thereafter attack (i) KI, Inc.'s title to, or rights in and to, KI's name or (ii) the validity of this license. KI, Inc. hereby indemnifies Diplomat and undertakes to hold it harmless against only those claims or suits (i) arising solely out of the authorized use of KI's name by Diplomat in accordance with this Agreement and (ii) brought by those persons or entities to whom KI, Inc. has licensed the use of KI's name and likeness. Prompt notice shall be given by Diplomat to KI, Inc. of any such claim or suit. In addition, KI, Inc. shall have the option to undertake and conduct the defense of any suit so brought and no settlement of any such claim or suit shall be made without the prior written consent of KI, Inc. (b) Diplomat shall notify KI, Inc. in writing of any infringements or imitations by others of KI's name on products similar to those covered by this Agreement that may come to Diplomat's attention, and KI, Inc. shall have the sole right to determine whether or not any action shall be taken in connection with such infringements or imitations. Diplomat shall not institute any suit or take any action in connection with any such infringements or imitations without first obtaining the written consent of KI, Inc. 5 8. Indemnification by Licensee and Product Liability Insurance. Diplomat hereby indemnifies KI, Inc. and KI, undertakes to defend KI, Inc. and KI against, and hold KI, Inc. and KI harmless from, any claims, suits, loss and damage (including attorneys' fees and costs) arising out of (a) any allegedly unauthorized use of any patent, process, idea, method, or device by Diplomat in connection with the products covered by this Agreement, (b) any alleged defects in the products covered by this Agreement, and (c) any other alleged action by Diplomat. Diplomat agrees that it will obtain, at its own expense, product liability insurance from a recognized insurance company which is qualified to do business in the State of California providing adequate protection (at least in the amount of $ ) for KI, Inc., KI and Diplomat against any claims, suits, loss or damage arising out of any alleged defects in the products. As proof of such insurance, a fully paid certificate of insurance naming KI, Inc. and KI as an insured party will be submitted to KI, Inc. by Diplomat for KI, Inc.'s prior approval before any product is distributed or sold, and at the latest within thirty (30) days after the date first written above. Any proposed change in certificates of insurance shall be submitted to KI, Inc. for its prior approval. KI, Inc. shall be entitled to a copy of the then prevailing certificate of insurance, which shall be furnished KI, Inc. by Diplomat. As used in the first 2 sentences of this paragraph 6, "KI, Inc." shall also include the officers, directors, agents, and employees of the KI, Inc., or any of its subsidiaries or affiliates. 9. Quality of Merchandise. Diplomat agrees that the products covered by this Agreement shall be of such style, appearance and quality as to be adequate and suited to their exploitation to the best advantage, protection and enhancement of KI's name and the good will pertaining to such name. Diplomat
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Extract the exact clause related to "Warranty Duration" from the excerpt above.