Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
```
for example , do n't use data obtained from us to provide tools that are used for surveillance . 

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