4 Noun 0 Verb 0 Adj. 0 Adv.
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ENall clearNoun
EN
A signal (usually a siren) that danger is over
bn:00002798n Concept
EN
Permission to proceed because obstacles have been removed
bn:00002799n Concept
EN
Blackout and All Clear are the two volumes that constitute a 2010 science fiction novel by American author Connie Willis.
Blackout/All Clear
bn:01980246n Named Entity
EN
Novel by Connie Willis
bn:16945195n Named Entity