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 termination", "Content removal", "Jurisdiction", "None", "Choice of law", "Unilateral change", "Arbitration", "Limitation of liability"].