input: Premise: MUTUAL NON-DISCLOSURE AGREEMENT 1. "Confidential Information" is that confidential, proprietary, and trade secret information being disclosed by the disclosing party pursuant to this Agreement. 2. Except as set forth in this Section 2, all Confidential Information shall be in tangible form and shall be marked as Confidential or proprietary information of the disclosing party. If the Confidential Information is disclosed orally or visually, it shall be identified as such at the time of disclosure and confirmed in a writing to the recipient within thirty (30) days of such disclosure. 3. Each of the parties agrees that it will not make use of, disseminate, or in any way disclose any Confidential Information of the other party to any person, firm or business, except to the extent necessary for negotiations, discussions, and consultations with personnel or authorized representatives of the other party and any purpose the other party may hereafter authorize in writing. Each of the parties agrees that it shall disclose Confidential Information of the other party only to those of its employees, consultants, advisors and investors who need to know such information and who have previously agreed, either as a condition to employment or in order to obtain the Confidential Information, to be bound by terms and conditions substantially similar to those of this Agreement. 4. There shall be no liability for disclosure or use of Confidential Information which is (a) in the public domain through no fault of the receiving party (b) rightfully received from a third party without any obligation of confidentiality, (c) rightfully known to the receiving party without any limitation on use or disclosure prior to its receipt from the disclosing party, (d) independently developed by the receiving party without use of any Confidential Information and by persons who have not had access to any Confidential Information (e) generally made available to third parties without any restriction on disclosure, or (f) communicated in response to a valid order by a court or other governmental body, as otherwise required by law, or as necessary to establish the rights of either party under this Agreement (provided that the party so disclosing has provided the other party with a
  Hypothesis: Receiving Party shall destroy or return some Confidential Information upon the termination of Agreement.
  Entailment, Contradiction, or Not mentioned?
  Answer:<extra_id_0>.