Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
```
however , the duration of statutorily required warranties , if any , shall be limited to the maximum extent permitted by law . 

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