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:
"""
and timing of the project; (4) competitive assessment; and (5) identification of key decision makers and other technical and commercial contacts; c. Assist and advise Airspan in the preparation and delivery of appropriate marketing and sales programs; d. Initiate and coordinate meetings at all levels for the appropriate Airspan employees to evaluate the identified projects; e. Initiate and assist in the preparation of sales and technical meetings with customers, and where appropriate, attend these meetings with Airspan personnel and provide administrative support and translation services; 3.2 Distributor will use its best efforts to vigorously and aggressively promote the sale of Airspan Products within the Territory. Such efforts shall include, but shall not be limited to, that advertising within the Territory which is reasonably necessary. All such advertising shall follow the general statements made in advertising prepared by Airspan. All advertising shall contain a prominent reference to Airspan, indicating the actual commercial origin of Airspan Products so advertised. Distributor shall not make any claims in its advertising which exceed or contradict claims made by Airspan in its printed materials. 3.3 Distributor will train and maintain a sufficient number of technical and sales personnel in order to: (a) serve the demands and needs of its customers for Airspan Products, service, and support; and (b) carry out the obligations of Distributor under this Agreement. 3.4 Distributor and its staff will be conversant with the technical language related to Airspan Products and will develop sufficient knowledge of the industry, Airspan Products, and products competitive with Airspan Products (including specifications, features, and benefits) so as to be able to explain in detail to customers the differences between Airspan Products and competitive products. Distributor will conduct or provide for any training of its personnel which may be necessary to impart such knowledge. 3.5 Distributor and its staff will research the technical requirements and specifications of the market for Airspan Products in the Territory and make information known to Airspan such that Airspan may, at its discretion, implement appropriate technical changes to the Products to enable them to be sold in the Territory. Airspan acknowledges that, subject to a further and separate Agreement, such changes may be implemented in the future by Distributor, with the assistance of Airspan. - ------------------------------------------------------------------------------ Page 4 3.6 Distributor agrees to purchase and stock a comprehensive inventory of spare parts based upon the recommended list set forth in Schedule III to this Agreement. 3.7 Distributor agrees to provide to its customers' installation services for all Airspan Products. All such installation services shall be performed by Distributor in accordance with Airspan's latest installation standards as provided by Airspan. 3.8 Distributor agrees to train and have readily available a maintenance staff to efficiently and expeditiously maintain or upgrade all Airspan Products purchased or licensed by Distributor from Airspan. Maintenance shall be performed in accordance with Airspan's latest maintenance standards for Airspan Products, as provided by Airspan, by Distributor's own personnel and may not be subcontracted or delegated to any other person or entity without Airspan's prior, written authorization. 3.9 Distributor agrees to provide and maintain those facilities adequate to meet the obligations set forth in this section and of the Agreement. Distributor further agrees to provide all of the sales and support functions set forth in this section at no charge to Airspan. 3.10 Distributor agrees not to actively seek to promote, rent, lease, sell, sublicense or authorize the rental, sale or sublicense of Airspan Products outside of the Territory [without the prior written approval of Airspan], but nothing in this Agreement shall prevent Distributor from renting, selling or sublicensing the Airspan Products to customers outside of the Territory in response to an unsolicited request from such customer. 3.11 During the term of this Agreement Distributor agrees that neither it nor any organization or entity controlled or directed by it will, without Airspan's prior, written consent, represent a manufacturer or supplier of products similar in design or performance to or which are of such a nature as to be competitive with any products contained in the Airspan Products. 3.12 The parties mutually agree that by April 30, 2000, the parties will negotiate and execute a National Accounts Consulting Agreement whereby the Distributor will receive consulting fees and commissions for the sale and deployment of Airspan's products on a national basis. It is the intent of the parties to jointly pursue the sale of products to said companies and to enter into and complete contracts for the deployment of products in this manner. - --------------------------------------------------------------------------------
"""

Extract the exact clause related to "Anti-Assignment" from the excerpt above.