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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Software and the Support Services, and the installation of call center systems on behalf of Reseller, to Customers in the Territory pursuant to this Agreement ("Assessments"). If Reseller fails to pay any Assessments when due, and TouchStar receives any Assessment from any Governmental Body, then TouchStar shall give written notice of the Assessment to Reseller. Failure by Reseller immediately to pay such Assessment may, in TouchStar's sole discretion, result in the immediate termination of this Agreement. 6.3 OTHER TERMS AND CONDITIONS. The terms and conditions of this Agreement and of the applicable TouchStar invoice or confirmation shall apply to all TouchStar Software and Support Services, and the installation of call center systems, provided by TouchStar under this Agreement. Terms in Reseller's purchase orders and other printed forms shall not apply to any order, notwithstanding TouchStar's acknowledgment or acceptance of the order. In the event of any conflict between the terms of this Agreement and any standard forms of either TouchStar or Reseller, the terms of this Agreement shall govern. Reseller shall not, and is not authorized to, make any warranties as to the TouchStar Software and Support Services, or with regard to the installation of call center systems by TouchStar, and any warranties exceeding the scope of TouchStar warranties shall be null and void, subject only to contrary legal requirements applicable to the Territory. 6.4 LIMITED WARRANTY. TouchStar warrants that (a) with regard to the TouchStar Software, (i) TouchStar will convey good title to the TouchStar Software free and clear of any claims, liens, security agreements or other encumbrances and (ii) for a period of ninety (90) days after delivery, the TouchStar Software will perform in all 13 material respects with the specifications contained in TouchStar's technical literature with regard to the TouchStar Software, (b) the Support Services will be provided in a good and workmanlike manner consistent with industry practices, and (c) with regard to call center systems installed by TouchStar, (i) TouchStar will convey good title to the call center system free and clear of any claims, liens, security agreements or other encumbrances and (ii) the call center system will be installed in a good and workmanlike manner substantially in conformance with the Specifications. EXCEPT AS PROVIDED IN THIS SECTION 6.4, TOUCHSTAR DOES NOT WARRANT THE TOUCHSTAR SOFTWARE OR SUPPORT SERVICES, OR THE INSTALLATION OF ANY CALL CENTER SYSTEM, TO RESELLER, ANY OTHER RESELLER OR ANY CUSTOMER. TOUCHSTAR MAKES NO OTHER WARRANTIES, EXPRESS OR IMPLIED, RELATING THERETO. TOUCHSTAR IS UNAWARE OF THE USE OF ANY CALL CENTER SYSTEM INSTALLED&bbsp;BY TOUCHSTAR. TOUCHSTAR MAKES NO REPRESENTATION OR WARRANTY OF ANY KIND WHATSOEVER WITH REGARD TO THE USE OF ANY CALL CENTER SYSTEM, INCLUIDNG WHETHER THE USE OF THE CALL CENTER SYSTEM CONFORMS TO APPLICABLE FEDERAL, STATE AND LOCAL LAWS. RESELLER BEARS SOLE RESPONSIBILITY TO DETERMINE WHETHER THE USE OF A CALL CENTER SYSTEM BY A CUSTOMER COMPLIES WITH APPLICABLE FEDERAL STATE AND LOCAL LAWS. SHOULD APPLICABLE LAW NOT PERMIT THE FOREGOING EXCLUSION OF EXPRESS OR IMPLIED WARRANTIES, THEN TOUCHSTAR HEREBY GRANTS THE MINIMUM EXPRESS AND IMPLIED WARRANTIES REQUIRED BY SUCH APPLICABLE LAW. 6.5 LIMITATION OF LIABILITY. IN NO EVENT SHALL TOUCHSTAR BE LIABLE TO RESELLER, ANY OTHER RESELLER OR ANY CUSTOMER BY REASON OF ANY REPRESENTATION OR IMPLIED WARRANTY, CONDITION, OTHER TERM, OR ANY DUTY AT COMMON LAW, OR UNDER THE TERMS OF THIS AGREEMENT, FOR ANY DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL OR PUNITIVE LOSS OR DAMAGE (WHETHER FOR LOSS OF PROFIT OR OTHERWISE) ARISING OUT OF OR IN CONNECTION WITH ANY ACT OR OMISSION OF TOUCHSTAR RELATING TO THE DEVELOPMENT, MANUFACTURE, OR SUPPLY OF THE TOUCHSTAR SOFTWARE, THE SERVICES, OR THE INSTALLATION OF ANY CALL CENTER SYSTEM, THEIR RESALE BY RESELLER, OR THEIR USE BY ANY CUSTOMER OR OTHER END USER. TOUCHSTAR SHALL NOT BE LIABLE FOR THE PROVISION OF SERVICES BY RESELLER OR ANY OTHER RESELLER, OR ANY ALTERATIONS OR MODIFICATIONS BY RESELLER TO THE TOUCHSTAR SOFTWARE OR ANY CALL CENTER SYSTEM. THE SOLE OBLIGATION OF TOUCHSTAR, AND THE SOLE REMEDY OF RESELLER OR ANY OTHER RESELLER, UNDER THIS AGREEMENT SHALL BE (A) WITH REGARD TO THE TOUCHSTAR SOFTWARE OR ANY CALL CENTER SYSTEM, THE REPLACEMENT OR REPAIR OF THE TOUCHSTAR SOFTWARE OR THE CALL CENTER SYSTEM OR, AT THE OPTION OF TOUCHSTAR, THE RETURN OF THE PURCHASE PRICE PAID BY RESELLER 14 FOR SUCH TOUCHSTAR SOFTWARE OR CALL CENTER SYSTEM AND (B) WITH REGARD TO SERVICES, THE REPERFORMANCE OF THE SERVICES. 7. INTELLECTUAL PROPERTY RIGHTS. 7.1 OWNERSHIP OF INTELLECTUAL PROPERTY. (a) Reseller acknowledges that TouchStar owns or has
"""

Extract the exact clause related to "Warranty Duration" from the excerpt above.

assistant: TouchStar warrants that (a) with regard to the TouchStar Software,