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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the user's browser, whether manually, or by means of a Link. "ABOUT GUIDE SITE" means an individual specific topical area within the About Site, which is accessible from within a Channel, as comprised from time to time. "ABOUT GUIDE SITE HOME PAGE" means, with respect to any About Guide Site, the Web page that is displayed to the About User when the URL [guidesitename].about.com (and any evolution thereof) is inputted in the user's browser, whether manually or by means of a Link. Source: EBIX INC, 10-Q, 5/15/2001 "About Guide Site Sub-Pages" means, with respect to any About Guide Site, all of the Web pages within an About Guide Site other than the About Guide Site Home Page. "ABOUT USER" means any individual or entity that accesses the About Network or any About Guide Site. "ABOUT USER DATA" means information related specifically to About Users, including but not limited to (i) Internet addresses and navigational information, including information disclosing the usage of Links within or available through an About Guide Site; (ii) transactional information, including names, addresses, billing information, information requested, method of payment; and (iii) any other information that identifies an individual or entity as an About User. "ABOUT WRAPPER" means a navigation bar designed by About, in its sole discretion, and approved by ebix, that may, as determined by About, contain the About Look and Feel, the About Marks, and standard About header, footer, tabs, navigational elements, copyright notice and other attributes set forth in EXHIBIT A that reflect the then current design of the About Guide Sites. "ADVERTISING IMPRESSION" means an Advertising Placement (hereinafter defined) having been served by About or About's third party advertising server for display on the About Network that redirects an About User to the Insurance Center. "ADVERTISING PLACEMENT" is any standard unit of advertising served and displayed by About (or its designated agent) on the About Network, whether or not e-Bix branded, pursuant to Section 5 that: (A) advertises or otherwise promotes (i)ebix, (ii) the Insurance Center, or any combination of the foregoing, and (B) Links to the Insurance Center or the ebix Site. Standard About.com advertising units include, but are not limited to: 468x60 pixel banners, 120x60 pixel buttons; "MarketPlace" text link, 18 characters; "SuperLink" text link, 2 lines at 20 characters per line or 1 wrapped line at 40 characters, plus one link for URL (250 character limit). "CONFIDENTIAL INFORMATION" means all non-public information concerning either party, its subsidiaries and affiliates, and their respective officers, agents, employees, consultants, licensors, suppliers and ** Confidential treatment has been requested for portions of this document. The redacted material has been filed with the commission pursuant to an application for confidential treatment. 2 customers, including but not limited to business plans, systems configurations, technologies, data files, reports, projections, initiatives, user data and site usage data. "CHANNEL": means a collection of topic-specific Guide Sites (Example: Sports, Games) "AUTOS CHANNEL HOME PAGE" means the Web page that is displayed to the About user when the URL HTTP://HOME.ABOUT.COM/AUTOS/INDEX.HTM (and any evolution thereof) is inputted in the About Users browser, which is the area of the About Network currently dedicated to the promotion of automobiles generally, and contains Links to the Insurance Center. "FAMILY/PARENTING CHANNEL HOME PAGE" means the Web page that is displayed to the About User when the URL HTTP://HOME.ABOUT.COM/FAMILY/INDEX.HTM (and any evolution thereof) is inputted in the About Users browser, which is the area of the About Network dedicated to the promotion of family and parenting generally, and contains Links to the Insurance Center. "HEALTH CHANNEL HOME PAGE" means the Web page that is displayed to the About User when the URL HTTP://HOME.ABOUT.COM/HEALTH/INDEX.HTM (and any evolution thereof) is inputted in the About Users browser, which is the area of the About Network dedicated to the promotion of health issues generally, and contains Links to the Insurance Center. "MONEY CHANNEL HOME PAGE" means the Web page that is displayed to the About User when the URL HTTP://HOME.ABOUT.COM/MONEY/INDEX.HTM (and any evolution thereof) is inputted in the About Users browser, which is the area of the About Network dedicated to the promotion of money issues generally, and contains Links to the Insurance Center. "REAL ESTATE CHANNEL HOME PAGE" means the Web page that is displayed to the About User when the URL HTTP://HOME.ABOUT.COM/REALESTATE/INDEX.HTM (and any evolution thereof) is inputted in the About Users browser, which is the area of the About Network dedicated to the promotion of real estate issues generally, and contains Links to the Insurance Center. "EBIX
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Extract the exact clause related to "Expiration Date" from the excerpt above.