Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
```
a co-host will not be entitled to any fees for any co-host services that have not been completed prior to the co-host 's termination . 

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