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:
"""
has been represented by counsel of its choice throughout all negotiations that have preceded the execution of this Agreement, and that it has executed the same with the advice of said independent counsel. Each party cooperated and participated in the drafting and preparation of this Agreement and the documents referred to herein, and any and all drafts relating thereto exchanged among the parties shall be deemed the work product of all of the parties and may not be construed against any party by reason of its drafting or preparation. Accordingly, any rule of law or any legal decision that would require interpretation of any ambiguities in this Agreement against any party that drafted or prepared it is of no application and is hereby expressly waived by each of the parties hereto, and any controversy over interpretations of this Agreement shall be decided without regards to events of drafting or preparation. [Signature Pages Follow] 7 IN WITNESS WHEREOF, each of the parties hereto has executed this COOPERATION AGREEMENT or caused the same to be executed by its duly authorized representative as of the date first above written. Allison Transmission Holdings, Inc. By: /s/ Eric C. Scroggins Name: Eric C. Scroggins Title: Vice President, General Counsel & Secretary [Signature Page to Cooperation Agreement] IN WITNESS WHEREOF, each of the parties hereto has executed this COOPERATION AGREEMENT or caused the same to be executed by its duly authorized representative as of the date first above written. VA Partners I, LLC By: /s/ George F. Hamel, Jr. Name: George F. Hamel, Jr. Title: Chief Operating Officer ValueAct Capital Master Fund, L.P. By: /s/ George F. Hamel, Jr. Name: George F. Hamel, Jr. Title: Chief Operating Officer ValueAct Capital Management, L.P. By: /s/ George F. Hamel, Jr. Name: George F. Hamel, Jr. Title: Chief Operating Officer ValueAct Capital Management, LLC By: /s/ George F. Hamel, Jr. Name: George F. Hamel, Jr. Title: Chief Operating Officer ValueAct Holdings, L.P. By: /s/ George F. Hamel, Jr. Name: George F. Hamel, Jr. Title: Chief Operating Officer ValueAct Holdings GP, LLC By: /s/ George F. Hamel, Jr. Name: George F. Hamel, Jr. Title: Chief Operating Officer /s/ Gregory P. Spivy Gregory P. Spivy [Signature Page to Cooperation Agreement] Schedule A Members of ValueAct Group VA Partners I, LLC ValueAct Capital Master Fund, L.P. ValueAct Capital Management, L.P. ValueAct Capital Management, LLC ValueAct Holdings, L.P. ValueAct Holdings GP, LLC Gregory P. Spivy
"""

Extract the exact clause related to "Parties" from the excerpt above.

assistant: Gregory P. Spivy