Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
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( b ) use the products or any part of them to create any tool or software product that can be used to create software applications of any nature whatsoever ; 

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