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:
"""
to such other team's home games played at the Stadium. (e) Grant of License by Sponsor. In order for Forty Niners SC to fulfill its obligations hereunder, Sponsor hereby grants to Forty Niners SC a limited license during the 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. Term to use, reproduce and display the Sponsor Marks in connection with advertising and promotion of Sponsor and its sponsorship. 4. Exclusivity. (a) Exclusive Sponsor of the Team. Forty Niners SC acknowledges and agrees that, except as otherwise provided herein, the rights granted to Sponsor herein are exclusive to Sponsor within the Product and Services Category with respect to Forty Niners SC at the Stadium. Forty Niners SC shall not enter into a sponsorship agreement with a party with respect to the Product and Services Category, provided however, that Forty Niners SC shall be permitted to enter into a sponsorship agreement with any party that enters into a naming rights agreement with SCSA for the Stadium, provided that if SCSA enters into a naming rights agreement for the Stadium with a party that is in the Products and Services Category, Sponsor may immediately terminate this Agreement and receive a pro rated refund of any amounts paid by Sponsor for the unexpired Contract Year in which the termination occurs. (b) Ability to Seek Other Sponsorships. Sponsor acknowledges and agrees that, notwithstanding the grant of exclusivity set forth in this Section 4, Team shall have the right to solicit and enter into sponsorships with other parties that are not known primarily or exclusively as suppliers or providers of any product or service within the Product and Services Category. Without limiting Section 4(a) above, the Parties agree that *** are, at the Effective Date, primarily or exclusively known as suppliers or providers in the Product and Services Category. Accordingly, Forty Niners SC shall not solicit or enter into sponsorships with such Parties. 5. Sponsorship Fee. (a) Fee. In exchange for the Sponsorship Rights to be provided to Sponsor during each Contract Year of this Agreement, Sponsor shall pay an annual fee (the "Sponsorship Fee") during each Contract Year of the Term. The Sponsorship Fee shall be four­million U.S. Dollars (USD $4,000,000.00) during each Contract Year. (b) Deposit. Sponsor shall make a non-refundable deposit upon execution of this Agreement of five-hundred-thousand U.S. dollars (USD $500,000.00) (the "Deposit"), which shall be applied against the Sponsorship Fee for the first Contract Year. (c) Payment Schedule. The Sponsorship Fee shall be payable in two (2) equal semiannual installments per year on or before March 1 and September 1 of each Contract Year of the Term; with the first installment due on March 1, 2014, unless Forty Niners SC notifies Sponsor that the Stadium will not open in 2014. (d) Taxes. The Sponsor Fee is net of any commissions. Sponsor shall be liable for all applicable taxes or charges, other than taxes or charges based solely on Forty Niners SC's net income. (e) Cost of Materials. Unless otherwise agreed in writing, Sponsor shall be solely responsible for all costs and expenses incurred producing (including, without limitation, design, production and installation) marketing materials, signage, and/or branding or entitlement, if any 4 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. (e.g., advertising copy, fixed signage, build-out of entitled club space, etc.), used in connection with the Agreement. In the event Sponsor terminates the Agreement prior to expiration, Sponsor shall pay for the removal of its signage from the Stadium. (f) Interest on Late Payments. Any payment required to be made by Sponsor hereunder that is not paid within fourteen (14) days from the date such payment becomes due and owing shall bear interest at an annual rate of twelve percent (12%) per annum or, if lower, the maximum allowed by law from the due date to the date payment is actually made. The right of Forty Niners SC to receive interest under this Section 5(f) shall be in addition to all other rights it may have as a result of Sponsor's failure to make payments when due. (g) Business Back. Over the course of the Term, Forty Niners SC shall purchase, at retail (measured by the average price sold to other customers), and subject to the terms of such future purchase
"""

Extract the exact clause related to "Competitive Restriction Exception" from the excerpt above.

assistant: Sponsor acknowledges and agrees that, notwithstanding the grant of exclusivity set forth in this Section 4, Team shall have the right to solicit and enter into sponsorships with other parties that are not known primarily or exclusively as suppliers or providers of any product or service within the Product and Services Category.