Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
```
the express waiver by supercell of any provision , condition , or requirement of these terms of service or the supercell privacy policy shall not constitute a waiver of any future obligation to comply with such provision , condition or requirement . 

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