[{'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: (i) Type of cookies we use. We may use both session cookies and persistent cookies. A session cookie is a temporary file which is only active while You are on the website and is erased once You close Your browser. Unlike a session cookie, a persistent cookie is not deleted when You close Your browser and will remain on Your device indefinitely. We use cookies to identify when You return to our website, save login information (excluding passwords), track usage statistics and store Your preferences."}, {'role': 'assistant', 'content': 'This clause is unfair. The privacy practices mentioned are: Demographic_3rdParty, Identifier_Ad_ID_3rdParty, Identifier_Cookie_or_similar_Tech_1stParty, Identifier_Cookie_or_similar_Tech_3rdParty, Identifier_Device_ID_3rdParty, Identifier_IP_Address_3rdParty, Location_1stParty, Location_3rdParty.'}]