Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
```
airbnb is liable for any negligent breaches of essential contractual obligations by us , our legal representatives , directors , or other vicarious agents . 

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