A warning can be written.Logical formLearned from1 137 sentences. Warnings can be stern.Logical formLearned from949 sentences. A warning can be veiled.Logical formLearned from863 sentences. A warning can be dire.Logical formLearned from795 sentences. Attacks may undergo warnings.Logical formLearned from707 sentences. A warning can be blunt.Logical formLearned from700 sentences. A warning can be ominous.Logical formLearned from682 sentences. A warning may be issued.Logical formLearned from677 sentences. A warning can be serious.Logical formLearned from676 sentences. A warning can be to others.Logical formLearned from652 sentences. A warning may pertain-to a government-agency.Logical formLearned from650 sentences. A (tsunami warning) may be issued.Logical formLearned from649 sentences. A warning may pertain-to a weekday.Logical formLearned from639 sentences. A warning can be formal.Logical formLearned from599 sentences. A tropical-storm warning can be in effect.Logical formLearned from572 sentences.