AnalyzerSentence analysis3SpansSentence謎の失踪1000 character limitAnalyzeSentence謎なぞの失しっ踪そうSpan Details謎なぞriddle; puzzle; enigma; mystery; enigmatic; mysteriousnoun, no-adjectiveのpossession, attribution, nominalizer, or nominal linkergrammar失しっ踪そうdisappearance; going missing; abscondingnoun, suru verb