[{'role': 'user', 'content': "Analyze the following clause from a privacy policy and determine if it's fair or unfair. Also identify any privacy practices mentioned: Our Retention of Personal DataOur Retention of Personal DatamainOurretentionofpersonaldatamodule Summary Microsoft retains personal data for as long as necessary to provide the products and fulfill the transactions you have requested, or for other essential purposes such as complying with our legal obligations, resolving disputes, and enforcing our agreements. For example: For Bing search queries, we de-identify stored queries by removing the entirety of the IP address after 6 months, and cookie IDs and other cross-session identifiers after 18 months. In Outlook.com, when your Deleted Items folder is emptied, those emptied items remain in our system for up to 30 days before final deletion. If you remove a credit card from your account, Microsoft will retain transaction records containing your credit card number for as long as reasonably necessary to complete any existing transactions, to comply with Microsoft's legal and reporting requirements, and for the detection and prevention of fraud."}, {'role': 'assistant', 'content': 'This clause is unfair. The privacy practices mentioned are: Identifier_1stParty, Identifier_Cookie_or_similar_Tech_1stParty, Identifier_IP_Address_1stParty.'}]