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