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BIG-Bench Hard / Some football fans admire various clubs, others love only a single team. But…

Problem

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input

"Some football fans admire various clubs, others love only a single team. But who is a fan of whom precisely? The following argument pertains to this question: To start with, there is somebody who is a follower of FC Spartak Trnava and a critic of AS Trenčín. Now, whoever is a friend of RCD Espanyol and an ex-supporter of FK Mladá Boleslav is not a critic of AS Trenčín. From this follows: There is somebody who is a follower of FC Spartak Trnava and not both a friend of RCD Espanyol and an ex-supporter of FK Mladá Boleslav."
Is the argument, given the explicitly stated premises, deductively valid or invalid?
Options:
- valid 
- invalid

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