[{'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: On-Prem Products. On-Prem Products collect data to operate effectively and provide you the best experiences. The data we collect depends on the features you use, but it is generally limited to usage data. Customers have choices about the data they provide. For example: During installation or when you upgrade an On-Prem Product, we may collect use and performance data to learn whether you experience any difficulties. When you use On-Prem Products, we may collect device data to learn about your operating environment to improve security features. When you experience a crash, you may choose to send Microsoft an error report to help us diagnose the problem and deliver customer support."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]