Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
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in addition , oculus does not represent or warrant that ( a ) the functions contained in the services will be accurate or meet your requirements ; ( b ) the operation of the services will be secure , uninterrupted , error-free or virus-free ; or ( c ) any defects in the services will be corrected . 

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