Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
```
the award of the arbitrator is final and binding upon you and headspace . 

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