Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
```
when such an agreement is made , the host agrees to pay the co-host services fee for any confirmed booking of their listing , which will be deducted directly from the listing fee after deduction of any applicable host fee . 

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