[{'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: Hike provides certain in app stickers to its users. The use of such stickers is purely discretionary and is presently free of cost. You hereby acknowledge and agree that (i) You are solely responsible for the stickers used by You; (ii) Hike does not and cannot review the usage of stickers by individual users and that Hike is under no duty to monitor the usage of the stickers by its users. Hike, hereby excludes, to the fullest extent permitted by law, any and all liability which may arise due to the usage of stickers by You, including but not limited to any claims relating to publication/sending of defamatory, pornographic, obscene or offensive material."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]