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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EPO. "Performer" shall mean, with respect to services, an entity meeting at least one of the following two conditions: (a) the entity is a "Performer," as defined in an IWA issued to the entity by the "Requester" defined in the IWA, with respect to the services, and/or (b) the entity performed the services at the request of a Requester as part of a joint project with the Requester, with respect to which no IWA was expressly issued nor any Negotiated Agreement entered with the Requester, and the entity received Funding from the Requester for the services (which Funded the services in full, or in full jointly with the Performer but with no contribution from any other entity) and delivered results of the services to the Requester. "Performer Background IPR" shall mean, with respect to services performed by the Performer at the request of the Requester, all Intellectual Property Rights held by Performer at the time of such services, other than Performer Foreground-Delivered IPR and Performer Foreground-Undelivered IPR, that would be necessary to Exploit Performer Foreground-Delivered IPR. "Performer Foreground-Delivered IPR" shall mean, with respect to services performed by the Performer at the request of the Requester, all Intellectual Property Rights that were conceived or created by the Performer in the course of such performance, directly or by a Performer Service Provider, and delivered to the Requester. 5 "Performer Foreground-Undelivered IPR" shall mean, with respect to services performed by the Performer at the request of the Requester, all Intellectual Property Rights that were conceived or created by the Performer in the course of such performance, directly or by a Performer Service Provider, and not delivered to the Requester. "Performer Service Provider" shall mean, with respect to services performed by the Performer at the request of the Requester, any Affiliate (other than the Requester), supplier, service provider, or other Person performing any aspect of the services on behalf of the Performer. "Person" shall mean an individual, partnership, corporation, limited liability company, joint venture, association or other form of business organization (whether or not regarded as a legal entity under applicable law), trust or other entity or organization. "Received Information and Materials" shall have the meaning defined in Section 6.1. "Requester" shall mean, with respect to services, an entity meeting at least one of the following two conditions: (a) the entity is a "Requester," as defined in an IWA issued by the entity to the "Performer" defined in such IWA, with respect to the services, and/or (b) the entity requested the services from the Performer as part of a joint project with the Performer, with respect to which no IWA was expressly issued nor any Negotiated Agreement entered with the Performer, and the entity Funded the services (in full independently, or in full jointly with the Performer but with no contribution from any other entity) and received delivery of results of the services from the Performer. "Requester Foreground IPR" shall mean, with respect to services requested by the Requester from the Performer, all Intellectual Property Rights conceived or created by the Requester, directly or by a Requester Service Provider, in connection with such services. "Requester Service Provider" shall mean, with respect to services performed by the Performer at the request of the Requester, any Affiliate (other than the Performer), supplier, service provider, or other Person performing any aspect of the Requester's obligations in connection with such services. "SDA" shall have the meaning defined in the recitals. "Third Party Agreement" shall mean any Agreement, entered into at any time prior to the Effective Time, between or among (a) a third party, on the one hand, and (b) any member or members of the Party Groups, including any and all such agreements identified in Schedule 5.0; provided that, notwithstanding the foregoing, and without limitation, for the purposes of this Agreement, a Third Party Agreement shall not include any agreement between or among members of different Party Groups to the extent including a Future Affiliate Provision. "Trade Secrets" shall mean rights in information or know how, regardless of form, including ideas, inventions, designs, drawings, specifications, product configurations, prototypes, models, improvements, technical data and other data, databases, formulae, algorithms and mathematical embodiments, laboratory notebooks, pricing and cost information, plans, proposals, processes, procedures, schematics, manufacturing techniques, business methods, 6 customer lists and supplier lists, and Invention Disclosures, that (a) derives economic value, actual or potential, from not being, and is not, generally known or readily ascertainable by proper means and (b) is the subject of efforts that are reasonable
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Extract the exact clause related to "Termination For Convenience" from the excerpt above.

assistant: Not found.