Analyzer
Sentence analysis
5Spans
Sentence
Span Details
それ
that; it; then; that time; that point; there; you-> 其れpronoun
は
topic markergrammar
頭の痛い
headache-inducing; vexing; troublesomeexpression, i-adjective
問題
question; problem (on a test); problem; issue; matter; doubt; public discussion; controversy; trouble; difficulty; inconveniencenoun
だ。
plain copulagrammar