Analyzer
Sentence analysis
8Spans
Sentence
Span Details
彼ら
they; thempronoun
は
topic markergrammar
秘密
secret; confidential; private; mystery; secret (to success, etc.); key; esoteric teachingsnoun, na-adjective
の
possession, attribution, nominalizer, or nominal linkergrammar
作戦
tactics; strategy; plan; military operation; naval operationnoun
を
object markergrammar
実行
execution; carrying out; implementation; practice; execution (of a program); runnoun, suru verb
した。
light/support verb with a noun or noun-like phrase-> するgrammar