Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
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as limited by the faa , these terms and the applicable aaa rules , the arbitrator will have the exclusive power and jurisdiction to make all procedural and substantive decisions concerning the dispute , provided , however , that this power does not include the power to conduct a class arbitration or a representative action , which is prohibited by these terms ( as stated above ) . 

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