[{'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: Usage data. We collect data about how you and your device interact with Microsoft and our products. For example, we collect: Product use data. We collect data about the features you use, the items you purchase, and the web pages you visit. This data includes your voice and text search queries or commands to Bing, Cortana, and our chat bots."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]