Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
```
we can not guarantee that digital content ratings will always be accurate , nor can we promise that you will not find some material harmful , offensive , indecent or objectionable . 

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