AnalyzerSentence analysis6SpansSentence坑内の安全確認は最優先だ。1000 character limitAnalyzeSentence坑こう内ないの安あん全ぜん確かく認にんは最さい優ゆう先せんだ。Span Details坑こう内ないinside a mine; within a pitnoun, no-adjectiveのpossession, attribution, nominalizer, or nominal linkergrammar安あん全ぜん確かく認にんsafety confirmation; safety checknounはtopic markergrammar最さい優ゆう先せんtop priority; highest priority; maximum preferencenoun, suru verbだ。plain copulagrammar