Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
```
5.2 the airbnb platform , airbnb content , and member content may in its entirety or in part be protected by copyright , trademark , and/or other laws of the united states and other countries . 

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