Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
```
any such description is not an endorsement , certification or guarantee by airbnb about any member , including of the member 's identity or background or whether the member is trustworthy , safe or suitable . 

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