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:
"""
of the Sponsor Business during each initial broadcast of the Pre-Game Show (for a total of twenty (20) spots during each Contract Year). iii.In-Game: One (1) thirty second (:30) spot for broadcast of an advertisement of the Sponsor Business during the initial broadcast of each preseason and regular season Team Game radio broadcast (for a total of twenty (20) spots during each Contract Year). 3. DIGITAL a. Banner Ad: During each Contract Year, Sponsor shall receive display of a Sponsor Mark on one (1) banner advertisement in respect of the Sponsor Business that rotates throughout www.jaguars.com (approximately 300x250 pixels) and that links to Sponsor's official website. The exact placement of the banner shall be determined by Club in its sole discretion. b. Gameday Magazine: During each Contract Year, Sponsor shall receive space to display one (1) full page advertisement in respect of the Sponsor Business and display of a Sponsor Mark in each digital (or printed, as determined by Club) issue of the Gameday Magazine distributed to Club's season ticket members prior to each Jaguars Home Game. The exact size and placement of the advertisement and timing of each distribution of the Gameday Magazine shall be determined by Club in its sole discretion. c. Social Media Feature: During each Contract Year, Sponsor shall be the presenting sponsor of a video feature that highlights a top rushing play by a Team player during each preseason and regular season Team Game (the "Feature"). The top rushing play shall be determined by Club in its sole discretion. Such presenting sponsorship shall consist of the following: i. A Sponsor Mark displayed in the Feature, which shall be published by Club to Club's official Facebook, Twitter, Instagram or Snapchat account. The post will tag Sponsor's official corresponding social media account. The content, timing and frequency of such social media posts and the social media platforms shall be determined by Club. 4. HOSPITALITY a. Season Tickets: Sponsor shall receive tickets (in Section 150, Row X, Seats 5-8, or a substantially similar location) to each preseason and regular season Jaguars Home Game. Page 3 of 4 Source: ARC GROUP, INC., 8-K, 12/11/2017 5. CONCESSIONS a. Branded Concession Stands: During each preseason and regular season Jaguars Home Game and Other Events as requested by Club or the Stadium concessionaire ("Concessionaire"), Sponsor shall have the right to display Sponsor branding on (i) one (1) fixed concession stand in the Stadium located in the Bud Light Party Zone; and (ii) the fixed concession stand identified as Concession Stand 118 on the Stadium concourse (collectively, the "Stands"). The exact size and location of the Stands shall be determined by Club. The exact design of the Stands shall be mutually agreed upon between Sponsor and Club. Sponsor may display Signage displaying a Sponsor Mark in and/or on the Stand. Sponsor shall be responsible for all costs associated with the branding and Advertising in respect of the Stand. b. Vending: Subject to the Concessions Agreement (as defined herein), Sponsor shall have the right to have its food products sold or otherwise distributed from the Stands and/or certain general concessions areas at the Stadium determined by Club or the Concessionaire. For purposes of clarity, nothing in this Agreement grants Sponsor the right to operate the Stand or otherwise sell or distribute food products from or within the Stand. Sponsor shall enter into an agreement with the Concessionaire to memorialize any such rights regarding the sale or distribution of Sponsor's products at the Stadium during each Jaguars Home Game and Other Events (the "Concessions Agreement"). The exact products to be sold and distributed shall be subject to Club's final approval. For purposes of clarity, Club reserves the right to sell other products at the Stadium competitive to the Sponsor Business. Sponsor acknowledges that such rights do not automatically extend to Other Events at the Stadium. Sponsor acknowledges that Sponsor shall cooperate with the Concessionaire regarding logistics and management of the Sponsor's food products, and appropriate storage and dispensation of the food products. In the event of any recall with respect to Sponsor's products provided to the Concessionaire pursuant to this Agreement or the Concessions Agreement, Sponsor shall notify both Club and the Concessionaire immediately upon issuance of such recall, and Club may, at its sole discretion and without penalty, suspend the Benefits for a duration as reasonably determined by Club. Any costs or expenses incurred by Club or the Concessionaire with respect to any such recall shall be the sole responsibility of Sponsor. Sponsor shall
"""

Extract the exact clause related to "Warranty Duration" from the excerpt above.

assistant: Not found.