Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
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copying , transmission , reproduction , replication , posting or redistribution of the website content or any portion thereof is strictly prohibited without the prior written permission of tripadvisor . 

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