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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by LICENSEE's confidentiality agreement. Software License D2 Technologies, Inc. and Maintenance Agreement August 4, 1997 CONFIDENTIAL 6 6. MAINTENANCE AND SUPPORT 6.1 Maintenance and Support Obligation, Fees. On the date of expiry of the Warranty period defined in Article 8.3, and on any anniversary of the expiry date, LICENSEE may in its sole discretion pay D2 a "Maintenance and Support Fee" according to Exhibit C. In return for payment of such fee, D2 shall provide LICENSEE with the maintenance and support set forth in this Article 6 for a period of twelve months (the "Contract Year"). In any event, D2 shall provide support and maintenance services to Licensee during the Warranty period in breadth and scope which is no less than the support and maintenance services described in this Article. D2 shall make available to LICENSEE the maintenance and support services according to the terms of this Article 6 for a minimum of five years after Acceptance of Licensed Technology. 6.2 Maintenance. Maintenance to be provided by D2 to LICENSEE shall include without limitation the following services; (i) D2 shall update and maintain the Licensed Technology throughout the term of this Agreement. It is intended that D2 shall release at least 1 Update or New Version release during each 12 month calendar year. Upon the releases of any Update or New Version of the Licensed Technology (including manuals), D2 shall promptly notify and deliver to LICENSEE such Update or New Version. (ii) D2 will initially deliver to LICENSEE one (1) copy of any Updates or New Versions to the Licensed Technology and one (1) set of corresponding manuals for each copy of the Licensed Technology for which LICENSEE has paid the appropriate development license fees and maintenance fees pursuant to Exhibit C as soon as such Updates or New Versions and corresponding manuals become available and shall maintain such Updates or New Versions throughout this agreement. 6.3 Error Correction. If D2 becomes aware of any Defect in the Licensed Technology, D2 shall promptly provide LICENSEE with written notice of such Defect. D2 shall have no obligation to actively monitor the Licensed Technology for Defects after such software has been accepted by LICENSEE. D2 shall work diligently to promptly correct Defects in accordance with the following schedule; "days" shall mean calendar days. ERROR PRIORITY (1) RESPONSE (2) CLOSURE (3) Emergency (A) 24 hours 7 days Critical (B) 2 days 14 days Software License D2 Technologies, Inc. and Maintenance Agreement August 4, 1997 CONFIDENTIAL 7 Non-Critical (C) 30 days Next Update or New Version (1) Priority: -A- Catastrophic product or module Defects that do not have a viable detour or work around available. -B- Defects that have been substantiated as a serious inconvenience to LICENSEE or an End User. This includes any priority A Defect for which a viable detour or work around is available. -C- All other problems that LICENSEE and an End User can easily avoid for which there is no urgency for a resolution. (2) Response: Response consists of providing, as appropriate, one of the following to the LICENSEE: an existing correction; A new correction; a viable detour or work around; a request for more information to complete analysis of the problem, or a plan on how the problem will be corrected. (3) Closure: Closure consists of providing a final correction or work around of the problem including an Update and revised or new Documentation as necessary. If D2 fails to correct Defects according to the schedule specified in this Article 6, LICENSEE shall deduct from future runtime license fees, as specified in Exhibit C, a "late fee" for each day past the deadline in the schedule of this section. The "late fee" shall equal to 50% (fifty percent) of the runtime license fees paid to D2 for the previous two calendar quarters equally divided over 180 (one hundred eighty) days. In the event LICENSEE has selected the Buy-out option in the runtime license fee schedule of Exhibit C, then the "late fee" for each day past the deadline shall be 50% (fifty percent) of the Buy-out fee equally divided over 1095 (one thousand and ninety five) days; and this "late fee" shall be paid to LICENSEE each calendar month until the error is corrected either by D2 or LICENSEE. 6.4 Support. D2 will provide the following support to LICENSEE throughout the Warranty period and for those subsequent years for which support has been purchased by Licensee: (i) D2 will assist LICENSEE in determining if problems encountered by LICENSEE
"""

Extract the exact clause related to "Minimum Commitment" from the excerpt above.

assistant: D2 shall make available to LICENSEE the maintenance and support services according to the terms of this Article 6 for a minimum of five years after Acceptance of Licensed Technology.