Analyzer
Sentence analysis
7Spans
Sentence
Span Details
警察
police; police officer; police station; self-appointed enforcer; busybody; vigilante; gatekeepernoun, noun suffix
は
topic markergrammar
事故原因
cause of an accident; accident causenoun
を
object markergrammar
調査
investigation; examination; inquiry; surveynoun, suru verb
し
light/support verb with a noun or noun-like phrase-> するgrammar
ている。
ongoing or resultant stategrammar