Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
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further , it is up to you to take precautions to ensure that whatever links you select or software you download ( whether from this website or other websites ) is free of such items as viruses , worms , trojan horses , defects and other items of a destructive nature . 

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