Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
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unless the arbitrator finds that the arbitration was frivolous or brought for an improper purpose , oculus will pay all filing , aaa and arbitrator 's fees and expenses . 

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