Dan Katz and Alex Rosenthal: Can you solve the sorting hat riddle?

 (1)https://www.ted.com/talks/dan_katz_and_alex_rosenthal_can_you_solve_the_sorting_hat_riddle/transcript?language=ja#t-125378









(2)サブレ


(3)謎解きがあって短い勉強の隙間時間などに英語に親しみつつ面白く考えさせられる謎解きを解けるという事


(4)
The hardest part of solving this logic puzzle is knowing where to start

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