Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
```
you agree that the invalid part will be considered deleted from the agreement , but that all other parts of the agreement will remain in effect . 

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