[{'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: Third-party advertising companies may be used by us to serve advertisements on our sites. This Privacy Policy covers only the use of our cookies and the respective privacy policies of other third party advertising companies govern the use of cookies by such advertisers. Our advertising partners, who may set cookies, may deliver advertisements appearing in the Services to users, and may also use other third-party advertising technology to target advertising in the Services. When we serve advertisements to you, an unique third-party cookie or cookies may be placed on your computer. These cookies are used by the advertisements server to identify your computer or other device each time an advertisement is served to you in order to gather information about you or others users who use your computer or device. Based on such information, advertisement networks will deliver targeted advertisements that will be of interest to you."}, {'role': 'assistant', 'content': 'This clause is unfair. The privacy practices mentioned are: Identifier_Cookie_or_similar_Tech_3rdParty.'}]