[{'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 ad networks may be members of either the Network Advertising Initiative ("NAI") or About Ads-Digital Advertising Alliance ("DAI"). If they are members and you do not want to receive targeted advertisements from these third-party ad networks, you may opt out. Information as to member companies, the practices of such third-party ad networks and your choices regarding having information used by these companies, including how to opt out, can be found at either: http://www.networkadvertising.org/optout_nonppii.asp for NAI members or http://www.aboutads.info/choices/ for DAI members. Information on how to opt out of the use of your information by DoubleClick is available at http://www.google.com/policies/technologies/ads/ and information on how to opt out of Google Analytics is available at https://tools.google.com/dlpage/gaoptout.'}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]