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