Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
```
basic accounts may be deleted from the vimeo service if they remain inactive ( i.e. , the user fails to log in ) for a continuous period of at least six ( 6 ) months . 

```
. OPTIONS: ["Jurisdiction", "Limitation of liability", "Content removal", "Unilateral termination", "Unilateral change", "Arbitration", "None", "Choice of law", "Contract by using"].