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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1, 1997-Dec. 31, 1997) Dollars (70,000) Third (3rd) Contract Year Ninety Thousand U.S. (Jan. 1, 1998-Dec. 31, 1998) Dollars ($90,000) Said Retainer Fee shall be paid in four (4) equal installments on or before the first (1st) day of February, May, August and November in each Contract Year. 9. TOURNAMENT BONUSES. In addition to the Retainer Fee set forth in Paragraph 8 above, TPC agrees to pay Consolidated Artists on behalf of Ogle the following tournament bonuses for Ogle's - 7 - tournament performances during the Contract Period (the "Tournament Bonus or Bonuses"): (a) Sixty Thousand U.S. Dollars ($60,000), each time Ogle wins a Major Tournament; and (b) Twenty Thousand U.S. Dollars ($20,000), each time Ogle wins a network televised US PGA Tour Tournament; and (c) Ten Thousand U.S. Dollars ($10,000) each time Ogle wins a cable televised US PGA Tour Tournament; and (d) Seven Thousand Five Hundred U.S. Dollars ($7,500) each time Ogle wins a Golf Channel televised US PGA Tour Tournament or a Golf Channel televised International Tournament; and (e) Five Thousand U.S. Dollars ($5,000) each time Ogle wins an International Tournament not televised by Golf Channel or a non-televised US PGA Tour Tournament. TPC shall pay any Tournament Bonuses due Consolidated Artists for a Major Tournament win within sixty (60) days following TPC's receipt of an invoice from Consolidated Artists or Advantage and any Tournament Bonuses due Consolidated Artists for a network televised US PGA Tour Tournament win shall be paid within forty-five (45) days following TPC's receipt of an invoice from Consolidated Artists or Advantage. All other Tournament Bonuses due to Consolidated Artists shall be paid by TPC within thirty (30) days following TPC's receipt of an invoice from Consolidated Artists or Advantage. - 8 - 10. MONEY LIST BONUS(ES). In addition to the Retainer Fee and the Tournament Bonuses set forth in Paragraphs 8 and 9 above, TPC agrees to pay Consolidated Artists on behalf of Ogle the following bonuses in each Contract Year for Ogle's position on the Official Year-End PGA Tour Money List ("Money List Bonus(es)"): (a) Fifty Thousand U.S. Dollars ($50,000) each time Ogle finishes in first (1st) place on the Official Year-End PGA Tour Money List; and (b) Twenty-Five Thousand U.S. Dollars ($25,000) each time Ogle finishes between second (2nd) and tenth (10th) place on the Official Year-End PGA Tour Money List; and (c) Fifteen Thousand U.S. Dollars ($15,000) each time Ogle finishes between eleventh (11th) and twentieth (20th) place on the Official Year-End PGA Tour Money List; and (d) Seven Thousand Five Hundred U.S. Dollars ($7,500) each time Ogle finishes between twenty-first (21st) and thirtieth (30th) place on the Official Year-End PGA Tour Money List; and (e) Five Thousand U.S. Dollars ($5,000) each time Ogle finishes between thirty-first (31st) and fortieth (40th) place on the Official Year-End PGA Tour Money List. TPC shall pay any Money List Bonuses due to Consolidated Artists within thirty (30) days following TPC's receipt of an invoice from Consolidated Artists or Advantage. - 9 - 11. ROYALTY COMPENSATION FOR ENDORSED PRODUCT. In addition to the Retainer Fee, Tournament Bonuses and Money List Bonuses set forth in Paragraphs 8, 9 and 10 above, TPC agrees to pay Consolidated Artists on behalf of Ogle royalty compensation of ten percent (10%) of the net sales of all Endorsed Products distributed or sold during the Contract Period in or to the Countries of Australia and New Zealand ("Royalty Compensation"). "Net sales" shall mean the gross invoice price billed to customers, less customary trade/quantity discounts, rebates and returns actually credited, but with no deductions of any kind. No costs incurred by TPC in the manufacture, advertisement, promotion or exploitation of any Endorsed Product shall be deducted as a cost in calculating the net sales. TPC agrees to guarantee to Consolidated Artists on behalf of Ogle a minimum Royalty Compensation of Twenty Thousand U.S. Dollars ($20,000) payable in four (4) equal installments of Five Thousand U.S. Dollars ($5,000) and due simultaneously with the Retainer Fee on or before the first (1st) day of February, May, August and November in each Contract Year. 12. PAYMENT OF ROYALTY COMPENSATION. Within thirty (30) days of the conclusion of each three (3) month period in each Contract Year during the Contract Period, TPC agrees to deliver to Consolidated Artists and Advantage an itemized statement setting forth the actual number of all Endorsed Products distributed and sold during the preceding three (3) month period. Simultaneous with the delivery of each statement setting forth such totals, TPC
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Extract the exact clause related to "Covenant Not To Sue" from the excerpt above.