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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a medical device subject to pre-market 6 Source: EXACT SCIENCES CORP, 8-K, 8/22/2018 approval, Advertising, public relations, medical education activities, market research, creation, development, and distribution of Advertising and Promotional materials, field literature, direct or indirect educational campaigns, and exhibits at seminars and conventions. When used as a verb, "Market" means to engage in Marketing. 1.70 "OB/Gyn Commercial Rights" shall have the meaning set forth in Section 3.1(c)(ii). 1.71 "OB/Gyn Commercial Rights Transfer Notice" shall have the meaning set forth in Section 3.1(c)(ii). 1.72 "OB/Gyn Field" shall mean those healthcare professionals and practices customarily considered OB/Gyn providers and practices. 1.73 "Occurrence" shall have the meaning set forth in Section 2.6(c). 1.74 "Party" or "Parties" shall have the meaning set forth in the preamble. 1.75 "Patent Rights" shall mean any and all (a) issued patents, (b) pending patent applications, including all provisional applications, substitutions, continuations, continuations-in-part, divisionals, and renewals, and all patents granted thereon, (c) patents of addition, reissues, reexaminations and extensions or restorations by existing or future extension or restorations mechanisms, including patent term adjustments, patent term extensions, supplementary protection certificates or the equivalent thereof, (d) inventor's certificates, (e) other forms of government issued rights substantially similar to the foregoing and (f) United States and foreign counterparts of any of the foregoing. 1.76 "Payer" shall mean a Third Party entity that pays a portion or all of the cost of the Product Laboratory Service performed with respect to a given patient using the Product. For clarity, a patient who pays for the cost of his or her own Product Laboratory Service, in whole or in part, shall not be included in this definition of "Payer" and a "Payer" may include government entities or agencies, managed care organizations, and health or prescription insurance providers. 1.77 "Person" shall mean an individual, sole proprietorship, partnership, limited partnership, limited liability partnership, corporation, limited liability company, business trust, joint stock company, trust, incorporated association, joint venture or similar entity or organization, including a government or political subdivision or department or agency of a government. 1.78 "Pfizer" shall have the meaning set forth in the preamble. 1.79 "Pfizer Indemnitee" shall have the meaning set forth in Section 6.1(a). 1.80 "Pfizer JSC Members" shall have the meaning set forth in Section 2.1(a). 1.81 "Pfizer Trainers" shall have the meaning set forth in Section 3.2(e)(i). 1.82 "PhRMA Code" shall have the meaning set forth in Section 3.2(c)(ii). 7 Source: EXACT SCIENCES CORP, 8-K, 8/22/2018 1.83 "Pre-Launch Meeting" shall have the meaning set forth in Section 3.2(e)(v). 1.84 "Product" shall mean the medical device subject to pre-market approval currently commercialized under the brand name "COLOGUARD" and indicated for the qualitative detection of colorectal neoplasia associated DNA markers and for the presence of occult hemoglobin in human stool. 1.85 "Product Label" shall mean the labels and labeling documents approved on August 11, 2014 by the FDA under the Premarket Approval P130017, , and any supplements, extensions or changes thereto. 1.86 "Product Laboratory Service" shall mean the colorectal cancer screening test performed on a specimen provided by a patient using the Product, including specimen collection, laboratory testing, data handling and analysis, interpretation of results, patient compliance (including call center activity) and billing to be provided by Exact or its Affiliates according to the "Laboratory Instruction for Use" in the Product Label, wherein the Laboratory Instructions for Use are further subject to any changes as required by any pre-market approval supplements approved by the FDA. 1.87 "Product Training" shall mean, with respect to the Product, the Product-specific training program conducted in accordance with the applicable Annual Marketing Plan and Applicable Laws, which may include training concerning (a) the scientific basis for the Product, (b) permissible communications regarding safety and efficacy claims relating to the Product, (c) permissible communications related to the Product in accordance with the Product Label, (d) use of Promotional Materials by the Sales Representatives, and (e) other appropriate topics relevant to the Promotion of the Product as determined by Exact in consultation with Pfizer. 1.88 "Promotion" shall mean (a) those activities customarily undertaken by a Party's field sales representatives in the Territory to encourage the approved use of a particular prescription medical device (or prescription pharmaceutical medicine as applicable) subject to pre-market approval (or other regulatory approval, as applicable), including detailing, and (b) any other activities customarily undertaken by a Party aimed at encouraging the approved use of a particular prescription medical device subject to pre-market authorization approval, including without limitation, healthcare professional peer-to-peer communication, communications of product benefits
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Extract the exact clause related to "Non-Disparagement" from the excerpt above.

assistant: Not found.