Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
```
please note that the supplier , not tripadvisor , processes your payment and fulfills your reservation . 

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