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