Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
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when you book international travel reservations with third-party suppliers or plan international trips using this website , you are responsible for ensuring that you meet all foreign entry requirements and that your travel documents , including passports and visas , are in order . 

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