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BIG-Bench Hard / Here comes a perfectly valid argument: First premise: Nobody is neither an…

Problem

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input

"Here comes a perfectly valid argument: First premise: Nobody is neither an occasional purchaser of Yardley London soap nor an occasional purchaser of Paul Mitchell soap. Second premise: No owner of a Aveeno shampoo who is an infrequent user of Zest soap is an occasional purchaser of Paul Mitchell soap. So, necessarily, whoever is an owner of a Aveeno shampoo and an infrequent user of Zest soap is also an occasional purchaser of Yardley London soap."
Is the argument, given the explicitly stated premises, deductively valid or invalid?
Options:
- valid 
- invalid

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Source and history

task_id
7d93fff8-37fb-58af-9ea5-45af03e7f1cd
task_key
formal~5ffallacies--main--7d93fff8-37fb-58af-9ea5-45af03e7f1cd
task_revision_id
1
config / split
formal_fallacies / main

Official source

initial import