Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
```
vimeo has the right , but not the obligation , to monitor all conduct on and content submitted to the vimeo service . 

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