[{'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: We participate in the Adobe Marketing Cloud Device Co-op to better understand how you use our website and apps across the various devices you use, and to deliver tailored promotions. Learn more (https://cross-device-privacy.adobe.com) about how Adobe does this."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]