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Sentence analysis
6Spans
Sentence
Span Details
事故
accident; incident; trouble; circumstances; reasonsnoun
で
location, means, or scope markergrammar
一両
one vehicle; one ryō (old gold coin)noun, adverb
が
subject markergrammar
脱線
derailment; going off the rails; digression; going off topicnoun, suru verb
した。
light/support verb with a noun or noun-like phrase-> するgrammar