Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
```
arbitrators must be neutral and no party may unilaterally select an arbitrator ; 

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