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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Network, so that NCM can monitor the distribution and playback of the Service and the Parties will reasonably cooperate to ensure that corrections or changes are made as required to deliver the Service; (iii) detailed playback information in a form, whether electronic or hard copy, and at such times as either Network Affiliate or NCM shall reasonably request; (iv) prompt notification of reception, playback or other technical problems associated with receipt of the Service; (v) the results of quality audits performed by Network Affiliate periodically during the Term upon NCM's request and at its direction to confirm playback compliance; (vi) adequate opportunities to train Network Affiliate personnel, as provided in Section 2.7; (vii) attendance data film-by-film, rating-by-rating and Theatre-by-Theatre for all Theatres, in an electronic form and in a format agreed by the Parties, at such times as are consistent with Network Affiliate's internal reporting systems but in any event at least weekly; (viii) at such times as NCM shall reasonably request but no more often than on a quarterly basis, a list of all Theatres, including (i) identification of which Theatres are Digitized Theatres, (ii) the number of screens at each Theatre, and (iii) identification of any Theatres that are not equipped with at least one Lobby Screen to display the Video Display Program; and (ix) such other information regarding the Services as NCM may reasonably request from time to time; (b) For the avoidance of doubt, information made available subject to this Section 3.7 shall be subject to the provisions of Section 13.1 (Confidential Treatment). Network Affiliate agrees to be included in any compliance reporting NCM provides to its advertisers and other content providers for proof of performance. (c) NCM and Network Affiliate shall use commercially reasonable efforts to ensure that the Digital Content Network will be integrated with any network for the delivery of Digital Cinema Services such that the Services can be delivered over such network. 11 Source: DIGITAL CINEMA DESTINATIONS CORP., S-1, 12/20/2011 Section 3.8 Trailers. Trailers that are exhibited in the Theatres shall not include the exhibition or display of any trademark, service mark, logo or other branding of a party other than the film studio(s), distributor(s), production company(ies); provided, however, Trailers may include incidental images of products or services which appear in the motion picture (e.g., product placements). Section 3.9 Customer Access to Pre-Feature Program. Network Affiliate shall use its reasonable efforts to provide audiences access to the Theatre auditorium for the Pre-Feature Program or Traditional Content Program, as applicable. Section 3.10 Excluded Theatres; IMAX Screens. (a) Excluded Theatres. Network Affiliate shall have the right to designate art house and draft house theatres that for purposes of this Agreement shall be "Excluded Theatres". The list of Excluded Theatres identified as of the Effective Date is set forth on Exhibit D. Network Affiliate shall provide written or electronic notice to NCM, in the form specified by NCM, each time there is a change in its list of Excluded Theatres. Excluded Theatres shall not be deemed Theatres for purposes of this Agreement. Excluded Theatres will not receive Advertising Services. Excluded Theatres will not be considered for purposes of the calculation of Advertising Revenue Share. Notwithstanding the foregoing, Excluded Theatres will be subject to the exclusivity obligations of Network Affiliate, as set forth in Section 6.1, to the same extent as a Theatre hereunder. With respect to any Theatre subsequently designated as an Excluded Theatre, the parties will negotiate in good faith terms for the discontinuation of delivery of the Service to such Excluded Theatre. (b) IMAX Screens. All Theatre screens dedicated to the exhibition of films using "IMAX" technology shall be deemed "IMAX Screens." IMAX Screens will not receive, and Network Affiliate will have no duty to exhibit on any IMAX Screen, the Digital Carousel, the Pre- Feature Program or the Traditional Content Program; provided however, that Network Affiliate may elect to exhibit the Digital Carousel, the Pre- Feature Program or the Traditional Content Program on its IMAX Screens in its sole discretion. Notwithstanding the foregoing, all IMAX Screens will be subject to the exclusivity obligations of Network Affiliate, as set forth in Section 6.1 to the same extent as a Theatre hereunder. Network Affiliate will provide NCM prompt written notice of any additions to or deletions from its list of IMAX Screens, which list appears on Exhibit D. Network Affiliate shall provide written or electronic notice to NCM, in the form specified by NCM, each time there is a change in its list of
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Extract the exact clause related to "Warranty Duration" from the excerpt above.

assistant: Not found.