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A story that goes like this: a remote town is preparing for a (likely Jewish) holiday, so that when a traveling merchant comes by they're too busy to buy anything. The disgruntled merchant leaves but spitefully puts a curse on the town (via amnesia powder) that makes them forget about the holiday. Then a group of children (who'd been sent to gather branches in the forest and so weren't affected by the curse) wonder why the preparations have stopped, get blank responses from the adults, and decide to perform the ceremonies themselves, which breaks the curse. And the epilogue shows that the merchant accidentally sniffed his own amnesia powder in the middle of a forest and was never heard from again.