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