[{'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: How Long We Keep Your Content Snapchat lets you capture what it's like to live in the moment. On our end, that means that we automatically delete the content of your Snaps (the photo and video messages that you send your friends) from our servers after we detect that a Snap has been opened by all recipients or has expired. But remember: There are various ways Snapchatters can save your content and also upload it to Snapchat (like as an attachment in Chat). We go into more detail below about how users can save Snapchat content."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]