Analyzer
Sentence analysis
6Spans
Sentence
Span Details
警察
police; police officer; police station; self-appointed enforcer; busybody; vigilante; gatekeepernoun, noun suffix
の
possession, attribution, nominalizer, or nominal linkergrammar
捜査
criminal investigation; inquiry; searchnoun, suru verb, no-adjective
に
direction, time, indirect object, or target markergrammar
協力
cooperation; collaboration; help; supportnoun, suru verb
した。
light/support verb with a noun or noun-like phrase-> するgrammar