Analyzer
Sentence analysis
6Spans
Sentence
Span Details
森林
forest; woodsnoun, no-adjective
の
possession, attribution, nominalizer, or nominal linkergrammar
消失
disappearance; vanishing; lossnoun, suru verb
が
subject markergrammar
問題
question; problem (on a test); problem; issue; matter; doubt; public discussion; controversy; trouble; difficulty; inconveniencenoun
だ。
plain copulagrammar