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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continued so long as the condition constituting force majeure continues and the nonperforming Party takes commercially reasonable efforts to remove the condition; provided that if any delay in performance due to force majeure continues for a period of six (6) months or more, then the other Party will have the right to terminate this Agreement immediately upon written notice. For purposes of this Agreement, "force majeure" will include conditions beyond the control of the Parties, including an act of God, voluntary or involuntary compliance with any regulation, law or order of any government, war, act of terror, civil commotion, labor strike or lock-out, epidemic, failure or default of public utilities or common carriers, destruction of production facilities or materials by fire, earthquake, storm or like catastrophe. 9.5 Notices. All notices and other communications required or permitted hereunder (including any notice of force majeure, breach, termination, change of address, etc.) shall be in writing and will be deemed given (a) upon receipt if delivered personally or by facsimile transmission (receipt verified), (b) five (5) days after being deposited in the mail if mailed by registered or certified mail (return receipt requested) postage prepaid or (c) on the next Business Day if sent by overnight delivery using a nationally recognized express courier service and specifying next Business Day delivery (receipt verified), and will be sent to the Parties at the following addresses or facsimile numbers, as applicable, (or at such other address or facsimile number for a Party as will be specified by like notice; provided, however, that notices of a change of address will be effective only upon receipt thereof): All correspondence to Pfizer shall be addressed as follows: Pfizer Inc. 235 East 42nd Street New York, New York 10017 Attn: General Counsel Fax: (212) 309-0874 With a copy to: Pfizer Inc. 235 East 42 Street New York, New York 10017 Attn: Regional President, North America, Internal Medicine And Pfizer Inc. 235 East 42 Street New York, New York 10017 Attn: Chief Counsel, Internal Medicine All correspondence to Exact shall be addressed as follows: 52 nd nd Source: EXACT SCIENCES CORP, 8-K, 8/22/2018 Exact Sciences Corporation 441 Charmany Drive Madison, Wisconsin 53719 Attn: General Counsel Fax: (608) 284-5701 With a copy to: Exact Sciences Corporation 441 Charmany Drive Madison, Wisconsin 53719 Attn: CEO 9.6 Amendment. No amendment, modification or supplement of any provision of this Agreement shall be valid or effective unless made in a writing signed by a duly authorized officer of each Party and delivered to each of the Parties. 9.7 Waiver. No provision of the Agreement shall be waived by any act, omission or knowledge of a Party or its agents or employees except by an instrument in writing expressly waiving such provision and signed by a duly authorized officer of the waiving Party. The failure of either Party to require the performance of any term of this Agreement, or the waiver of either Party of any breach of this Agreement, shall not prevent a subsequent exercise or enforcement of such terms or be deemed a waiver of any subsequent breach of the same or any other term of this Agreement. 9.8 Severability. If any clause or portion thereof in this Agreement is for any reason held to be invalid, illegal or unenforceable, the same shall not affect any other portion of this Agreement, as it is the intent of the Parties that this Agreement shall be construed in such fashion as to maintain its existence, validity and enforceability to the greatest extent possible. In any such event, this Agreement shall be construed as if such clause of portion thereof had never been contained in this Agreement, and there shall be deemed substituted therefor such provision as will most nearly carry out the intent of the Parties as expressed in this Agreement to the fullest extent permitted by Applicable Law. 9.9 Descriptive Headings. The descriptive headings of this Agreement are for convenience and reference purposes only, and shall be of no force or effect in construing or interpreting any of the provisions of this Agreement. 9.10 Governing Law. This Agreement shall be governed by and interpreted in accordance with the substantive laws of the State of New York, without regard to conflict of law principles thereof. 9.11 Dispute Resolution. The Parties recognize that a bona fide dispute as to certain matters may from time to time arise during the term of this Agreement that relate to any Party's rights or obligations hereunder. In the event of the occurrence
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Extract the exact clause related to "Parties" from the excerpt above.

assistant: Exact Sciences Corporation