Analyzer
Sentence analysis
6Spans
Sentence
Span Details
それ
that; it; then; that time; that point; there; you-> 其れpronoun
は
topic markergrammar
大変
very; greatly; awfully; serious; grave; immense; terrible; difficult; hard; tough; major incident; disasteradverb, na-adjective, noun
な
adnominal form of the copula after a na-adjectivegrammar
問題
question; problem (on a test); problem; issue; matter; doubt; public discussion; controversy; trouble; difficulty; inconveniencenoun
だ。
plain copulagrammar