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:
"""
Exhibit 10.5 TRADEMARK LICENSE AGREEMENT This TRADEMARK LICENSE AGREEMENT (the "Agreement") is effective as of the [·] day of [·], 2019 ("Effective Date") between Morgan Stanley Investment Management Inc. ("Licensor"), and Morgan Stanley Direct Lending Fund, a Delaware corporation ("Licensee"). WHEREAS, Licensor is the owner of all rights to the trademark "Morgan Stanley" and the "Morgan Stanley" design (collectively, the "Brand"); WHEREAS, Licensee is a closed-end investment company that has elected to be treated as a business development company under the Investment Company Act of 1940, as amended (together with the rules promulgated thereunder) (the "Licensee Business"); WHEREAS, in connection with Licensee's public filings, requests for information from state and federal regulators, offering materials and advertising materials, and press releases, Licensee desires to state in such materials that investment advisory services are being provided by Licensor (or an affiliate thereof) to Licensee (collectively, the "Permitted Activity"); and WHEREAS, Licensor is willing to permit Licensee to use the Brand for the Permitted Activity, subject to the terms and conditions herein. NOW, THEREFORE, in consideration of the premises and the mutual promises and covenants contained herein and for other good and valuable consideration, the receipt and sufficiency of which is hereby acknowledged, the parties agree as follows: 1. Grant of Rights; Sublicensing. Section 1.1. License Grant. Subject to the terms and conditions herein, Licensor hereby grants to Licensee a non-exclusive, non- transferable, and (subject to Section 1.2 hereof) non-sublicensable license for the use of the Brand solely for the Permitted Activity. Section 1.2. Sublicensing. Licensee may sublicense its rights under Section 1.1 solely to a current or future wholly owned subsidiary of Licensee, and then only with the prior written consent of Licensor (which shall not be unreasonably withheld), provided that any such sublicense shall terminate automatically, with no need for written notice to the sublicensee, if (a) such entity ceases to be a wholly owned subsidiary of Licensee, (b) this Agreement terminates for any reason or (c) such sublicensee materially breaches its sublicense in a manner that harms the Brand and does not cure the same within 15 days after notice from Licensor or Licensee. Licensee shall notify Licensor promptly after becoming aware that any sublicensee has breached its sublicense and shall ensure that all sublicenses provide (i) for the foregoing termination rights of Licensor and (ii) obligations for sublicensee with respect to the Brand that are consistent with those of Licensee herein. Any act or omission by a sublicensee that would breach this Agreement if committed by Licensee shall constitute a breach of this Agreement by Licensee. 2. Ownership. Licensee acknowledges and agrees that, as between the parties, Licensor is the sole owner of all right, title and interest in and to the Brand. Licensee agrees not to do anything inconsistent with such ownership, including (i) filing to register any trademark or service mark containing the Brand or (ii) directly or indirectly challenging, contesting or otherwise Source: MORGAN STANLEY DIRECT LENDING FUND, 10-12G/A, 11/19/2019 disputing the validity, enforceability or Licensor's ownership of the Brand (and the associated goodwill), including without limitation, in any claim, allegation, action, demand, proceeding or suit ("Action") regarding enforcement of this Agreement or involving any third party. The parties intend that any and all goodwill in the Brand arising from Licensee's or any applicable sublicensees' Permitted Activity shall inure solely to the benefit of Licensor. Notwithstanding the foregoing, in the event that Licensee or any sublicensee is deemed to own any rights in the Brand, Licensee hereby irrevocably assigns (or shall cause such sublicensees to assign), without further consideration, such rights to Licensor together with all goodwill associated therewith. 3. Use of the Permitted Activity. Section 3.1. Quality Control. Licensee's Permitted Activity shall be in a manner consistent with Licensor's high standards of and reputation for quality, and in accordance with good trademark practice wherever any of the same are used. Licensee shall not take any action that could reasonably be expected to harm the Brand or the goodwill associated therewith. Licensee shall use with the Brand any applicable trademark notices as may be requested by Licensor or required under applicable laws, regulations, stock exchange and other rules ("Laws") and reputable industry practice. Section 3.2. Prior Written Approval. Prior to using the Brand in any manner, Licensee shall submit all proposed uses to Licensor for prior written approval. Section 3.3. Compliance with Laws. Licensee shall, at its sole expense, comply at all times with all applicable Laws and reputable industry practice pertaining to the Licensee Business
"""

Extract the exact clause related to "Covenant Not To Sue" from the excerpt above.

assistant: Licensee agrees not to do anything inconsistent with such ownership, including (i) filing to register any trademark or service mark containing the Brand or (ii) directly or indirectly challenging, contesting or otherwise