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 10.14 Confidential Treatment Requested. Confidential portions of this document have been redacted and have been separately filed with the Commission. SPONSORSHIP AGREEMENT THIS SPONSORSHIP AGREEMENT (this "Agreement") is made and entered into as of June 13, 2012 the ("Effective Date"), by and between Forty Niners SC Stadium Company LLC, a Delaware limited liability company ("Forty Niners SC") having its principal place of business at 4949 Centennial Boulevard, Santa Clara, CA 95054, and Violin Memory, Inc., a Delaware corporation ("Sponsor") having its principal place of business at 685 Clyde Avenue, Mountain View, CA 94043. For purposes of this Agreement, Forty Niners SC and Sponsor may each be referred to individually as a "Party" and may be collectively referred to as the "Parties." Recitals WHEREAS, Forty Niners SC is an affiliate of Forty Niners Football Company LLC, (the "Team"), a Delaware limited liability company that owns the National Football League franchise for the professional football team known as the San Francisco 49ers. WHEREAS, the Santa Clara Stadium Authority ("SCSA") is building a new stadium in Santa Clara (the "Stadium") which it will own and operate. WHEREAS, Forty Niners SC entered into a lease with SCSA pursuant to which Forty Niners SC will have the right to sell sponsorships at the Stadium. WHEREAS, Team entered into a sub-lease with Forty Niners SC and will play substantially all of its home games at the Stadium. WHEREAS, Sponsor desires to become a sponsor of Forty Niners SC, and Forty Niners SC desires to grant Sponsor certain sponsorship rights, under the terms and conditions set forth herein. NOW, THEREFORE, in consideration of the mutual promises and obligations set forth herein, the sufficiency of which is hereby acknowledged, the Parties agree as follows: Agreement 1. Definitions. (a) "Affiliate" means a person or entity that directly, or indirectly through one or more intermediaries, controls, or is controlled by, or is under common control with, a Party. The term 'control' means the possession of the power to direct the management and policies of the person or entity, whether through ownership of voting securities, by contract or otherwise. (b) "Agreement" has the meaning set forth in the initial paragraph. (c) "Contract Year" means, for the first year of this Agreement, from March 1 of the year in which the Stadium is anticipated to open through February 28 of the following year. For all years thereafter, Contract Year means the period from March 1 through February 28 (or 29). Confidential Treatment Requested. Confidential portions of this document have been redacted and have been separately filed with the Commission. (d) "Deposit" has the meaning set forth in Section 5(b) of this Agreement, (e) "Effective Date" has the meaning set forth in the initial paragraph. (f) "Forty Niners SC" has the meaning set forth in the initial paragraph. (g) "Indemnitee" has the meaning set forth in Section 11(a) of this Agreement. (h) "Lost Sponsorship Benefits" has the meaning set forth in Section 7(c) of this Agreement. (i) "Marks" means collectively the Team Marks and the Sponsor Marks. (j) "No­Signage Event" has the meaning set forth in Section 3(c) of this Agreement. (k) "Party" has the meaning set forth in the initial paragraph. (l) "Product and Services Category " means flash data storage and/or video surveillance products. (m) "Scheduled Opening Date" has the meaning set forth in Section 7(a) of this Agreement. (n) "SCSA" has the meaning set forth in the Recitals. (o) "Sponsor" has the meaning set forth in the initial paragraph. (p) "Sponsor Marks" means those trademarks and services marks set forth in Schedule 3, as may be updated by Sponsor from time to time, provided that in the event that Sponsor changes its name, the cost of effectuating the change of such Sponsor Marks shall be borne by Sponsor. (q) "Sponsorship Fee" has the meaning set forth in Section 5(a) of this Agreement. (r) "Sponsorship Rights" has the meaning set forth in Section 3(a) of this Agreement. (s) "Stadium" has the meaning set forth in the Recitals. (t) "Team" has the meaning set forth in the Recitals. (u) "Team Companies" shall mean, collectively, Forty Niners SC and the Team. (v) "Team Marks" means those trademarks and services marks set forth in Schedule 2. Confidential Treatment Requested. Confidential portions of this document have been redacted and have been separately filed with the Commission. *** Confidential material redacted and filed separately with the Commission. 2. Term. (a) This Agreement shall commence on the "Effective Date" and shall continue for ten (10) Contract
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Extract the exact clause related to "Effective Date" from the excerpt above.

assistant: June 13, 2012