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Sentence
Span Details
相互
mutual; reciprocalnoun, no-adjective
の
possession, attribution, nominalizer, or nominal linkergrammar
理解
understanding; comprehension; appreciation; sympathy; empathetic understandingnoun, suru verb
が
subject markergrammar
必要
necessary; needed; essential; necessity; need; requirementna-adjective, noun
だ。
plain copulagrammar