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Sentence analysis
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Sentence
Span Details
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
は
topic markergrammar
数年前
a few years ago; some years backadverb, no-adjective
に
direction, time, indirect object, or target markergrammar
遡る。
go upstream; go up a river; go back in time; date back to; trace back to; be retroactivegodan verb