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 . 

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