Analyzer
Sentence analysis
8Spans
Sentence
Span Details
研究者
researchernoun
は
topic markergrammar
問題
question; problem (on a test); problem; issue; matter; doubt; public discussion; controversy; trouble; difficulty; inconveniencenoun
の
possession, attribution, nominalizer, or nominal linkergrammar
原因
cause; origin; sourcenoun, suru verb
を
object markergrammar
特定
specific; particular; designated; specify; identify; pinpointno-adjective, noun, suru verb
した。
light/support verb with a noun or noun-like phrase-> するgrammar