[{'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: Pay-Per-Hire Model (Only applies to Clients who signed up for this payment model prior to January 1, 2017. However, even if you are currently under this payment model, Indeed reserves the right, in its sole discretion, to no longer offer this payment model): Under the pay-per-hire model, Employers agree to pay a fixed percentage of annual base salary or other salary periods agreed upon, for any hire made through Indeed Prime."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]