Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
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such party shall use commercially reasonable efforts to cure any such failure or delay in performance arising from such a condition , and shall timely advise the other party of such efforts . 

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