Raids can be frequent in parts of a country.Logical formLearned from3 sentences. Hijackings can be frequent.Logical formLearned from3 sentences. Bullying may remain frequent at schools.Logical formLearned from3 sentences. Experiences can be frequent.Logical formLearned from3 sentences. Bombings may remain frequent.Logical formLearned from3 sentences. Frequent flyers may remain at risk.Logical formLearned from3 sentences. Bombings may remain frequent in a country.Logical formLearned from3 sentences. Incidents can be frequent in a nation.Logical formLearned from3 sentences. Amputations can be frequent.Logical formLearned from3 sentences. (Pirate attacks) can be frequent.Logical formLearned from3 sentences. Black-outs can be frequent in major cities.Logical formLearned from3 sentences. (Power cuts) can be frequent in some major cities.Logical formLearned from3 sentences. (Train accidents) can be frequent on a (rail network).Logical formLearned from3 sentences. Skirmishes may remain frequent.Logical formLearned from3 sentences. (Guerrilla attacks) may remain frequent in a province.Logical formLearned from3 sentences.