AnalyzerSentence analysis5SpansSentence出火原因は調査中です。1000 character limitAnalyzeSentence出しゅっ火か原げん因いんは調ちょう査さ中ちゅうです。Span Details出しゅっ火かoutbreak of fire; fire breaking outnoun, suru verb原げん因いんcause; origin; sourcenoun, suru verbはtopic markergrammar調ちょう査さ中ちゅうunder investigation; being investigatedexpression, no-adjectiveです。be; is; arecopula, auxiliary出洲ですspit of land; sandspit