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Sentence analysis
5Spans
Sentence
Span Details
兄
older brother; elder brother; brother-in-lawnoun
の
possession, attribution, nominalizer, or nominal linkergrammar
敵を討つ
avenge someone by killing their killer-> 仇を討つexpression, verb
と
quotation, conditional, companion, or and markergrammar
心に誓った。
vow to oneself; promise oneself; make a silent vow-> 心に誓うexpression, verb