Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
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`` nintendo intellectual property '' refers to all intellectual property , including but not limited to registered and unregistered trademarks , service marks , logos , registered and unregistered designs , copyrights , database rights , inventions , patents , trade secrets , know-how , mii characters and other confidential and proprietary information which nintendo developed , owns or is granted a licence to use . 

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