[{'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: When you close your HealthVault account, we delete all records for which you are the sole custodian. If you share custodian access for a record, you can decide whether to delete the record. Microsoft will wait a limited amount of time before permanently deleting your data in order to help avoid accidental or malicious removal of your health data."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]