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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Exhibit 10.39 English Translation Jiangsu Telecom Contract No.: JSXCS1200166CC000 Cooperation Agreement on Mobile Game Business Between Dazzle Interactive Network Technologies Co., Ltd. And Shenzhen iDreamSky Technology Co., Ltd. Party A: Dazzle Interactive Network Technologies Co., Ltd. Address: 4F, Han Zhong Hua Mansion, 268 Han Zhong Road, Gu Lou District, Nanjing Zip code: 210001 Contact person: Chen Xi Tel: Name of account: Dazzle Interactive Network Technologies Co., Ltd Deposit Bank: China Merchants Bank, Chengbei Sub-branch, Nanjing A/C: Party B: Shenzhen iDreamSky Technology Co., Ltd. Address: 7F, EVOC Technology Building, No. 31 Gaoxin Central 4th Road, Nanshan District, Shenzhen Zip code: 518057 Contact person: Chen Zhiyu Contact Tel: Name of account: Shenzhen iDreamSky Technology Co., Ltd. Deposit Bank: China Merchants Bank Co., Ltd., CMB Shenzhen Sungang Sub-branch A/C: Page 1 of 29 Jiangsu Telecom Contract No.: JSXCS1200166CC000 In order to provide Party A's users with better value-added application services and satisfy the growing market demands, the Parties hereto, upon thorough negotiations based on the principles of equality, mutual benefits, mutual supplementation of advantages, joint development, and fully leveraging the advantages of the Parties hereto in their respective areas of service, the Parties hereto have agreed as follows in respect of the cooperation in mobile game services: Article 1 Contents and Principles of Cooperation 1.1 Party A, as an Internet business provider, and Party B, as a mobile game content provider, will establish a cooperation relationship in the area of mobile game service. 1.2 The details of the content and application services provided by Party B are: 1) Party B will provide Party A with the mobile games that are developed by itself and have legitimate intellectual properties, or third party mobile games that are acquired by Party B by way of authorization and have been granted legitimate right of use; and 2) Party B will provide Party A the software and hardware technical support (and the timely updates thereof) for game running to secure the stable running of the games. 1.3 Party A shall provide, for a consideration, network resources, portals and such other advertising resources, as well as connection services and business fee calculation/collection service. Party A will charge relevant information fee from the users of Party B's mobile game service, and will share such information fee with Party B as agreed herein. 1.4 Except otherwise agreed between the Parties, Party B will acknowledge and accept the changes in cooperation business and mode proposed by Party A due to business development, and assist Party A in effecting such changes. 1.5 Resources devoted by Party A: business connection platform, network resources, portals and other advertising channels, etc. 1.6 Resources devoted by Party B: mobile game application system and relevant contents (including, without limitation, copyright, right of portrait and such other lawful rights), etc. 1.7 Scope of cooperation service: all users of Party A's interactive platform. Article 2 Rights and Obligations of Party A 2.1 Party A shall have a preemptive right to carry out mobile game services with Party B on a nationwide basis. 2.2 Party A shall have the right to know and review the business license, relevant qualification certificate, copyright ownership, business permits, bank account and such other information provided by Party B. Page 2 of 29 Jiangsu Telecom Contract No.: JSXCS1200166CC000 2.3 Party A shall have the right to know the legality of the mobile game information provided by Party B, provided, however, that Party A will not take any responsibilities arising from any illegal or incorrect information provided by Party B. 2.4 Depending on the business and market development, Party A has the right to formulate or amend the business standards, management measures, quality and/or service standards, and communicate the same to Party B in an appropriate form for Party B to comply with. At the same time, these documents will be used by Party A as basis to manage and assess Party B's business operations. The business standards, management measures, quality and/or service standards so formulated or amended shall be equally effective as this Agreement. 2.5 Party A shall be responsible for the day-to-day maintenance of the business billing platform, and provide guidance and assistance to Party B in system connection, debugging and online work to guarantee the stable running of the platform. Party A shall open the network management system and other interface management tools to Party B to facilitate its checking of the charges to users and relevant status of operation, so as to ensure that Party B can monitor the fee charge and operation
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Extract the exact clause related to "Document Name" from the excerpt above.

assistant: Cooperation Agreement