Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
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16.4 you represent and warrant that you do not live in a us export-embargoed country or a country designated as a `` terrorist supporting '' country by the united states government , and that you are not on the list of people barred or excluded from the united states . 

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