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 . 

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