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 . 

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