[{'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: Opt-out of specific cookies When we send you emails, they might include a web beacon or similar technology that lets us know if you received or opened the email and whether you clicked on any of the links in the email. You can opt-out of marketing emails that may use web beacons."}, {'role': 'assistant', 'content': 'This clause is unfair. The privacy practices mentioned are: Identifier_Cookie_or_similar_Tech_1stParty.'}]