Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
```
if you reside in the united states , you are contracting with airbnb , inc. , 888 brannan street , 4th floor , san francisco , ca 94103 , united states . 

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