Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
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if it is determined that you retain moral rights ( including rights of attribution or integrity ) in the content , you hereby declare that ( a ) you do not require that any personally identifying information be used in connection with the content , or any derivative works of or upgrades or updates thereto ; ( b ) you have no objection to the publication , use , modification , deletion and exploitation of the content by tripadvisor or its licensees , successors and assigns ; ( c ) you forever waive and agree not to claim or assert any entitlement to any and all moral rights of an author in any of the content ; and ( d ) you forever release tripadvisor , and its licensees , successors and assigns , from any claims that you could otherwise assert against tripadvisor by virtue of any such moral rights . 

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