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