A necessity may pertain-to a death.Logical formLearned from19 sentences. A necessity can be sudden.Logical formLearned from19 sentences. Themselves can be in (existence necessity).Logical formLearned from19 sentences. A necessity can be inescapable.Logical formLearned from19 sentences. A necessity can be for survival.Logical formLearned from19 sentences. A necessity can be defensive.Logical formLearned from19 sentences. Persons may stress a necessity.Logical formLearned from19 sentences. Necessities can be true.Logical formLearned from19 sentences. A necessity may pertain-to a project.Logical formLearned from19 sentences. Medical necessity may undergo determination.Logical formLearned from19 sentences. Necessities can be spiritual.Logical formLearned from19 sentences. Necessities may pertain-to a moment.Logical formLearned from19 sentences. Words can be on a necessity.Logical formLearned from19 sentences. A defence can be constituted-of-or-filled-with necessity.Logical formLearned from18 sentences. A necessity can be serious.Logical formLearned from18 sentences.