Analyzer
Sentence analysis
6Spans
Sentence
Span Details
警察
police; police officer; police station; self-appointed enforcer; busybody; vigilante; gatekeepernoun, noun suffix
は
topic markergrammar
人質救出作戦
hostage rescue operationnoun
を
object markergrammar
開始
start; beginning; commencementnoun, suru verb
した。
light/support verb with a noun or noun-like phrase-> するgrammar