A (suicide bombing) may pertain-to last weekend.Logical formLearned from45 sentences. (Commuter trains) may undergo a bombing.Logical formLearned from45 sentences. (Suicide bombings) can be renewed.Logical formLearned from45 sentences. A (suicide bombing attack) can be on a bus.Logical formLearned from44 sentences. Cities may undergo a bombing.Logical formLearned from44 sentences. Some (train bombings) can be in a world-city.Logical formLearned from44 sentences. Retaliation can be for (embassy bombings).Logical formLearned from44 sentences. A bombing can be civilian.Logical formLearned from44 sentences. A park may undergo a bombing.Logical formLearned from44 sentences. A male may order a bombing.Logical formLearned from44 sentences. (Suicide bombings) can be justified.Logical formLearned from44 sentences. News may pertain-to bombings.Logical formLearned from44 sentences. An account may pertain-to a bombing.Logical formLearned from44 sentences. A string of bombings may kill some persons.Logical formLearned from44 sentences. Some (suicide bombing) can be in a world-city.Logical formLearned from44 sentences.