[{'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: I. Language Modelling Data We capture all keystrokes input through our keyboard app and encrypt and store all words input (other than those input into a secure text fields containing items such as username and password) in a secure zone within your device. We do NOT store any numeric entries such as credit card numbers or any entries in secure text fields. We use this data to help you type faster by providing auto-correction and auto-suggestion to your keyboard input and to provide you with advertisements based on your queries. We may send this encrypted data to our servers for programmatic analysis to improve our language dictionaries. Data sent to our servers is destroyed when no longer required."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]