Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
```
tripadvisor urges passengers to investigate and review travel prohibitions , warnings , announcements and advisories issued by the uk government , the european union ( eu ) and destination country governments prior to booking travel to international destinations . 

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