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BIG-Bench Hard / Consumer research aims at understanding whether users of some products also…

Problem

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input

"Consumer research aims at understanding whether users of some products also tend to consume other ones, or not. The following argument seeks to clarify some such relations: First of all, Donald is an infrequent user of CHI shampoo. Next, every infrequent user of CHI shampoo and every loyal buyer of Lifebuoy soap is an infrequent user of Natural Bar soap. It follows that Donald is an infrequent user of Natural Bar 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
946c1b91-f6c9-50c4-9773-16352f4fc682
task_key
formal~5ffallacies--main--946c1b91-f6c9-50c4-9773-16352f4fc682
task_revision_id
1
config / split
formal_fallacies / main

Official source

initial import