Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
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hosts acknowledge that reviews and ratings from guests for their listing ( s ) may be impacted by a co-host 's conduct and performance . 

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