Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
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if you 're using vimeo for commercial purposes , you will need to maintain a vimeo pro , business , or custom plan to continue hosting your videos . 

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