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:
"""
EXHIBIT 10.4 CO-BRANDING AGREEMENT THIS CO-BRANDING AGREEMENT (the "Agreement") is made as of May 22, 2000 (the "Effective Date"), by and between WOMEN.COM NETWORKS, INC., a Delaware corporation having a place of business at 1820 Gateway Drive Suite 150, San Mateo, CA 94404 ("Women.com"), and EDIETS.COM, INC., a Delaware corporation, having its principal place of business at 3467 West Hillsboro Boulevard, Suite 2, Deerfield Beach, Florida 33442 ("eDiets"). WHEREAS, eDiets maintains a site on the Internet, currently located at http://www.eDiets.com (the "eDiets Site"), that provides personalized diet and counseling on-line; WHEREAS, Women.com maintains sites on the Internet, currently located at http://www.women.com (the "Women.com Sites"), that provides an on-line portal for women, blending content, community, commerce and services; WHEREAS, eDiets and Women.com wish to establish and maintain a custom, category-exclusive, co-branded center containing repackaged content from the eDiets Site, including a free personal diet profile, which will be a part of the Women.com Sites, in order to promote the eDiets brand and drive traffic to the eDiets Site. NOW THEREFORE, in consideration of the mutual covenants, representations and warranties set forth herein, the parties hereby agree as follows: 1. THE DIET CENTER. 1.1 Women.com will name an area, in which eDiets content will be published (such area, the "Diet Center"). Links (presented as Diet Center logos) to the Diet Center will be located on three Women.com channels (the Fitness Channel www.women.com/fitness; the Health Channel www.women.com/health; and the Food Channel www.women.com/food) and two subchannels within such channels to be determined in accordance with Exhibit B hereto. The first page of the Diet Center (the "Gateway Page") will have the look and feel of the Women.com Sites as specified in Exhibit A hereto. The Diet Center shall be branded with an icon that includes the eDiets logo. There will be no Women.com or eDiets registration required to enter and use the Gateway Page of the Diet Center. Women.com and eDiets will mutually agree upon the content and logo of the Gateway Page, including the display, appearance and placement of the Diet Center's logo, in accordance with the terms of this Agreement, including the specifications set forth on Exhibit A hereto, prior to the launch date of the Diet Center (the "Launch Date"). eDiets and Women.com shall work together in good faith in order to implement such design and development and the continued enhancement of the Diet Center. 1.2 Women.com shall store and maintain the Gateway Page on, and serve the Gateway Page from, server(s) located on Women.com's premises or the premises of Women.com's third party web host. eDiets shall store and maintain the Diet Center beneath the Gateway Page, and serve the Diet Center beneath the Gateway Page from, server(s) located on eDiets' premises or the premises of eDiets' third party web host. Effective one week from the 1 Launch Date, eDiets shall include a back button to the Women.com Site on all pages of the Diet Center beneath the Gateway Page. If at any time during the Term of this Agreement, eDiets reasonably believes that the inclusion of such back buttons has a material negative effect upon the rate at which users of the Diet Center register to become members of eDiets or convert into registered participants of the services offered by eDiets on the Diet Center (the "Negative Effect"), eDiets may conduct a one (1) month test of the effect of such back buttons which may include the exclusion of the back button. If such test verifies the Negative Effect of the back button(s) to the Women.com Site, eDiets may remove any such back buttons. 1.3 Except as set forth in Section 1.2 [Women], eDiets will have sole responsibility for providing and maintaining at its own expense the Diet Center beneath the Gateway Page. eDiets and Women.com will work together regarding the on-going design and maintenance of the Diet Center. 1.4 Each party shall bear its own expenses related to its responsibilities under this Section 1. 2. EDIETS OBLIGATIONS. 2.1 Content License. eDiets hereby grants to Women.com, subject to the terms and conditions of this Agreement, a non-exclusive, nontransferable, worldwide, royalty-free license to use, copy, reproduce and display the editorial content and other data, branding and other identification provided by eDiets to Women.com in connection with this Agreement (the "eDiets Content") on the Women.com Sites: (i) for publication in the Diet Center and elsewhere throughout the Women.com Sites; (ii) for the promotion of eDiets and the Diet Center on the Women.com Sites and in collateral advertising materials; and (iii) for such
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Extract the exact clause related to "Document Name" from the excerpt above.

assistant: CO-BRANDING AGREEMENT