Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
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1.7 due to the nature of the internet , airbnb can not guarantee the continuous and uninterrupted availability and accessibility of the airbnb platform . 

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