Analyzer
Sentence analysis
11Spans
Sentence
Span Details
事故
accident; incident; trouble; circumstances; reasonsnoun
の
possession, attribution, nominalizer, or nominal linkergrammar
原因
cause; origin; sourcenoun, suru verb
は
topic markergrammar
運転手
driver; chauffeurnoun
の
possession, attribution, nominalizer, or nominal linkergrammar
居眠り
nodding off (while sitting); dozingnoun, suru verb
だ
plain copulagrammar
と
quotation, conditional, companion, or and markergrammar
判明
become clear; be identified; turn out to benoun, suru verb
した。
light/support verb with a noun or noun-like phrase-> するgrammar