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Sentence
Span Details
警備保障会社
security firm; security companynoun
が
subject markergrammar
24時間
24 hours; twenty-four hours-> 24時間noun
体制
system; structure; order; setupnoun
で
location, means, or scope markergrammar
監視
monitoring; surveillance; observation; watchingnoun, suru verb
を
object markergrammar
行っ
perform; carry out; conduct; do-> 行うgodan verb
ている。
ongoing or resultant stategrammar