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:
"""
ENTERTAINMENT LTD, F-1, 2/21/2007 (a) store or cache the Content in one or more host computers controlled directly or indirectly by XFN or its Affiliates; (b) adapt, translate, modify, reproduce, copy, amend, revise or encode the Content; and (c) publish, broadcast, distribute, re-distribute, transmit, display, make available to the public or otherwise exploit the Content in any manner by any device or in media now or hereafter known. 2.2 Non-exclusive Rights in the People's Republic of China: CEIS hereby grants XFN and its Affiliates a non-exclusive license (free of all third-party liens, claims and encumbrances) to, and to permit others to, during the Term in the People's Republic of China: (a) store or cache the Content in one or more host computers controlled directly or indirectly by XFN or its Affiliates; (b) adapt, translate, modify, reproduce, copy, amend, revise or encode the Content; and (c) publish, broadcast, distribute, re-distribute, transmit, display, make available to the public or otherwise exploit the Content in any manner by any device or in -2- media now or hereafter known. During the Term, CEIS agrees not to appoint any other licensees for the distribution of the Content in the People's Republic of China. 2.3 The Intellectual Property Rights to use "Xinhua" as the first name of XFN and its affiliates world-wide. 2.4 All Intellectual Property Rights and other proprietary rights in any translated, amended, revised or updated Content independently created by XFN ("AMENDED CONTENT") shall automatically vest in XFN. 2.5 XFN and/or its Affiliates have the right at any time to suspend or cease distributing or making the Content available to the public. 2.6 XFN and/or its Affiliates are entitled to publish or distribute content of any third party where such content is similar to or competitive with the Content. 2.7 XFN and/or its Affiliate(s) shall have the right to charge users to access or view the Content and/or sub-license the Content to third parties for re-distribution to users. Revenues generated thereby shall be for the account of XFN or its Affiliates, and CEIS shall not be entitled to, nor make any action, claim or demand in relation thereto. XFN's only payment obligation to CEIS in consideration of the rights granted pursuant to this Clause 2 is set forth in Clause 4. 2.8 XFN does not intend and is not under any obligation to edit or review the Content licensed herein for accuracy or appropriateness or compliance with any applicable laws or regulations. 3. DELIVERY OF CONTENT 3.1 During the Term of this Agreement, CEIS shall supply the Content of XFN by such means of delivery or transmission as may be reasonably required by XFN including by online transmission. 3.2 CEIS shall use its best endeavours to ensure that the Content is made available to XFN on a continuous, uninterrupted real-time basis. 4. CONSIDERATION 4.1 In consideration of the rights and obligations of the Parties, XFN shall pay to CEIS US$1.1 million (United States Dollars One Million and One Source: XINHUA SPORTS & ENTERTAINMENT LTD, F-1, 2/21/2007 Hundred Thousand) for a term of twenty (20) years, in cash or such other consideration as the Parties may agree. The payment schedule shall be by five (5) instalments of US$220,000 each. The first instalment will be effect on condition that XFN can raise at least US$1.1 million additional funding in 2002. -3- 5. REPRESENTATIONS AND WARRANTIES 5.1 CEIS represents and warrants to XFN that during the Term of this Agreement: (a) CEIS is and shall remain entitled to grant to XFN the license to use the Content and other rights contained herein, free of all third-party liens, claims and encumbrances; (b) use of any Content by XFN in the manner contemplated by this Agreement does not and will not infringe any Intellectual Property Rights or other proprietary rights of any third party; (c) neither the Content nor any part thereof contains anything which is obscene, indecent, seditious, offensive, defamatory, threatening, liable to incite racial hatred, discriminatory, menacing or in breach of confidence; (d) the Content complies with and will comply with all applicable laws and regulations; (e) with respect to the provision of the Content, CEIS has acquired all requisite licenses, permissions and clearances for XFN to exercise the rights granted herein; (f) the Content is and will be reasonably accurate at the time of each delivery to XFN; (g) CEIS is a statutory body with legal person status validly existing under the laws of the People's Republic of China, being its jurisdiction of organization, and the
"""

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