Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
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any unsolicited ideas and materials you post on or send to us via the service are deemed user content and licensed to us as set forth above . 

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