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:
"""
per month- 60,000 (before re-launch) Estimated Impressions for Year 1- 720,000 Estimated Impressions for Year 2- 720,000 Total Estimated impressions: 1,440,000 B-1 Upon committing to this partnership, eDiets will receive a two-week banner advertisement test in rotation across the channels set forth above in order to determine the most suitable fixed placements for the eDiets center logos. This test will consist of a total of 100,000 impressions, 20,000 per channel. Given that expectations for banner advertisement performance are not necessarily equivalent to that of a fixed center logo, eDiets understands and acknowledges that the results will be considered directional in nature and not used to determine ultimate performance of the eDiets center logos placed in the channels selected by eDiets. The parties may agree at a later date to add other channels to the above list of channels. In any event, eDiets may select from only three channels. Source: EDIETS COM INC, 10QSB, 10/30/2000 PROMOTION OF DIET CENTER ON WOMEN.COM SITES Relevant Feature Content Sponsorships Women.com will provide eDiets with a fixed top and 125x365 side banner on eight (8) of the content features set forth below. eDiets may select up to eight (8) of the content features set forth below: (1) Fat to Firm at 40+ (Estimated Impressions per Month- 7,000) http://www.prevention.com/weight/fattofirm/ (2) Nutrition News - If you make one change to your diet, what would it be? (This is an Expert piece) (Estimated Impressions per Month- 10,000) http://www.prevention.com/cooking/news/ (3) 71 Weight Loss Tips (Estimated Impressions per Month- 100,000) http://www.prevention.com/report/980610/ (4) Weight Loss Program - Working Out (Estimated Impressions per Month- 15,000) http://www.healthyideas.com/weight/workout.html (5) 45 Best and Worst Belly Flatteners (pull down menu to select scenarios with exercise tips) (Estimated Impressions per Month- 7,000) http://www.healthyideas.com/report/bellyflat/ (6) 8 Ways to Make Weight lifting fun (Estimated Impressions per Month- 16,000) http://www.prevention.com/weight/buzz/ (7) Gym Shorts (Q&A Michelle Staten, Fitness Editor, Prevention) (Estimated Impressions per Month- 10,000) http://www.prevention.com/weight/gym/ (8) Calorie Calculator (Tool) (Estimated Impressions per Month- 20,000) http://www.prevention.com/weight/bonfire/ (9) Weight Loss Program: Success Stories (Estimated Impressions per Month- 17,000) B-2 www.prevention.com/weight/success.html (10) Weight Quiz: What will you Weigh one Year from now? (Quiz) (Estimated Impressions per Month- 39,000) www.prevention.com/weight/what_will_you/ (11) Weight Loss Program Planner (Tool) (Estimated Impressions per Month- 50,000) www.prevention.com/weight/planner/ (12) A Choice of one top level sponsorship in the newly launched Fitness Channel scheduled for 3Q, 2000 eDiets.com will have the first right to substitute any of the following content features for any of the eight (8) content features selected above once inventory on such features becomes available. When the following content features become available, eDiets.com has the choice to switch sponsorships and not add to their overall sponsorships. (1) Weight Loss Program: Finding Support (Available 6/30/01) (Estimated Impressions per Month- 2,000) www.prevention.com/weight/support.html (2) Weight Loss Program: Eating Well (Available 6/30/01) (Estimated Impressions per Month- 2,000) www.prevention.com/weight/eatwell.html (3) Weight Loss Program: Getting Started (Available 6/30/01) (Estimated Impressions per Month- 7,000) www.prevention.com/weight/getstart.html ROS advertisement rotation on Women.com Sites The Following Advertising Impressions will include these campaign elements: -All Sponsorships -Targeted Banner Rotations (Targeted rotation includes Fitness, Entertainment, Wedding, Health, Fashion & Beauty, Food Channels, Redbook, Cosmopolitan, Prevention, Good Housekeeping, eHarlequin and Home and Garden and other relevant areas as they become available) -ROS Per Year o Impressions Guaranteed per month: 3,750,000 o Total Advertising Impressions Guaranteed: 45,000,000 (of which shall not include the top 468x60 nor the 120x240 banner located on the Gateway page of the Diet Center) 60% ROS and 40% Targeted and Sponsorship elements B-3 o Ad banners on the Diet Center will be co-branded with the Women.com and eDiets logos Women.com Special Membership Integration Opportunities: Women.com will provide eDiets with one (1) membership offer opportunity to Women.com users who have registered for membership on the Women.com Sites per Source: EDIETS COM INC, 10QSB, 10/30/2000 quarter after the Effective Date. These member offers will be promoted via membership newsletters as listed below, on the Membership Menu Page (http://women.com/membership/central.html) and on the Promotion Page (http://women.com/promotions/). The member offer provided by eDiets can not run anywhere other than Women.com for one month prior to or one month after the member promotion period without Women.com's written consent eDiets shall offer in any membership offer provided pursuant to this Agreement a minimum discount of 20% on the fair market value of any products or services. Placement within Women.com Newsletters: eDiets.com will have the opportunity to participate within the following newsletters, the placement, frequency and timing of such participation to be determined by Women.com in its sole discretion provided that Women.com uses its best efforts
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Extract the exact clause related to "Rofr/Rofo/Rofn" from the excerpt above.

assistant: eDiets.com will have the first right to substitute any of the following content features for any of the eight (8) content features selected above once inventory on such features becomes available.