Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
```
these versions may have limited features , restrict permitted time of use and contain other limitations . 

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