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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Agreement. 10. Force Majeure The force majeure hereunder shall mean the natural disaster, war, political event, and adjustment of laws, regulations and state policies. If the performance of this Agreement by one Party or the Parties according to provisions agreed hereunder is directly affected by the force majeure event, the affected Party shall immediately notify the other Party or its attorney-in-fact of the situation of the force majeure event, and shall, within fifteen (15) days, provide the detailed information of the force majeure event or the reason for non-performance or partial performance or delay of performance of this Agreement as well as valid evidence thereof (which shall be issued by the notarization authority at the place where the force majeure event occurs). The Parties shall negotiate to decide the performance of this Agreement depending on to what degree the performance of this Agreement is influenced by the force majeure, and decide on whether the affected Party may partially perform or postpone the performance of its obligations hereunder. Except as provided for under Article 6.1.3 hereof, neither Party shall exercise the right to termination this Agreement that it may have under any applicable laws on the ground of occurrence of force majeure event. 11. Dispute Resolution 11.1 Any dispute arising out of performance of this Agreement or in connection with this Agreement shall be resolved by the Partiesthrough friendly negotiation. 11.2 If the dispute cannot be resolved through negotiation within thirty (30) days after a Party sends the written notice to the other Party stating its opinions on this dispute, either Party may submit the dispute to China International Economic and Trade Commission for arbitration in Beijing according to its arbitration rules then in effect. The arbitration award shall be final and binding on each Party. 12. Miscellaneous 12.1 This Agreement shall take effect as of the date when the authorized representatives of the Parties sign hereon. The Parties agree and confirm that this Agreement shall constitute all understanding, interpretation and intentions of the Parties in respect of the cooperative business. This Agreement shall be taken as an amendment and restatement of the Original Cooperation Agreement and supersede the Original Cooperation Agreement in all respects. 12.2 The rights and obligations of each Party under this Agreement shall not be transferred, except for the transfer by Party B to its affiliates. 12.3 The Parties agree that any and all intellectual property researched and developed, created and invented by the Parties (including their employees) in the course of performance of this Agreement shall be owned by Party B. For the purpose of this Article 12.3, "Intellectual Property" means the patent, patent application right, trademark, service mark, logo, image, trade name, internet domain name, design right, copyright (including copyright of computer software) and moral rights, database right, right of semiconductor design drawing, utility model, proprietary technology and other intellectual property that are registered and unregistered including those that have applied for registration, as well as all other rights or protection methods with same or similar effect on a global scope. 12.4 To the extent permitted under the laws of the People's Republic of China, the failure or delay of performance of any right under this Agreement by any Party shall not be deemed as a waive of such right, and any single or partial exercise of any right shall not preclude the further exercise of such right in the future. 12.5 This Agreement shall constitute an entire agreement between the Parties in respect of the subject matter of this Agreement and supersede any and all prior expression of intention or understanding reached by the Parties in relation to this Agreement. This Agreement shall not be amended or modified unless the authorized representatives of the Parties sign a written agreement thereof. 12.6 This Agreement shall be executed in two (2) copies, each of which shall have the same legal effect. 12.7 Any notice or written communication sent by a Party to the other Party under this Agreement shall be made in writing and delivered by courier service or by facsimile accompanied with a confirmation hard copy delivered by courier service. The notice, communication or letter sent under this Agreement shall be deemed as effectively received on the seventh (7) day after sending to the courier service, or shall be deemed as effectively received on the first (1) day after delivered by facsimile, which shall be evidenced by the transmission confirmation. All notice and communication shall be sent to the following addresses until a Party notify
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Extract the exact clause related to "Exclusivity" from the excerpt above.