Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
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( if you want to cancel the contract please complete and return this form . ) 

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