Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
```
we waive any right to seek an award of legal fees and expenses in connection with any non-frivolous arbitration between you and us . 

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