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Sentence analysis
8Spans
Sentence
Span Details
その
that; the; part; section; number; um; er; uh-> 其のpre-noun adjective, interjection
定説
established theory; accepted viewnoun
に
direction, time, indirect object, or target markergrammar
挑戦
challenge; attempt; defiancenoun, suru verb
する
light/support verb with a noun or noun-like phrasegrammar
研究者
researchernoun
も
also; evengrammar
いる。
be; exist; stay; be ...-ing; have ...-ed; be ...-ed-> 居るichidan verb, auxiliary