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Sentence analysis
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Sentence
Span Details
それこそ
especially; particularly; above all; surely; clearly; unmistakably; as if; as though; just like-> 其れこそadverb
が
subject markergrammar
問題
question; problem (on a test); problem; issue; matter; doubt; public discussion; controversy; trouble; difficulty; inconveniencenoun
の
possession, attribution, nominalizer, or nominal linkergrammar
核心
core; heart; crux; kernelnoun
だ。
plain copulagrammar