AnalyzerSentence analysis3SpansSentence原因を突き止める1000 character limitAnalyzeSentence原げん因いんを突つき止とめるSpan Details原げん因いんcause; origin; sourcenoun, suru verbをobject markergrammar突つき止とめるdetermine; pin down; ascertain; locate; identify; stab to deathichidan verb