Bombings can be across a country.Logical formLearned from123 sentences. Bombings may pertain-to a week.Logical formLearned from123 sentences. A bombing can be tragic.Logical formLearned from123 sentences. Bombings can be insurgent.Logical formLearned from123 sentences. Bombings may be blamed on rebels.Logical formLearned from123 sentences. A (federal building bombing) may pertain-to a US-city.Logical formLearned from123 sentences. A capital may undergo a bombing.Logical formLearned from123 sentences. A train may undergo a bombing.Logical formLearned from122 sentences. Some persons may be killed in bombings.Logical formLearned from122 sentences. A bombing may end.Logical formLearned from122 sentences. (Train bombings) can be in a world-city.Logical formLearned from122 sentences. A wake may pertain-to (train bombings).Logical formLearned from122 sentences. Perpetrators may pertain-to bombings.Logical formLearned from121 sentences. Some bombings can be at headquarters.Logical formLearned from121 sentences. A suspect can be in bombings.Logical formLearned from121 sentences.