A bomb may go_off at some a.m..Logical formLearned from20 sentences. A bomb may explode after some a.m..Logical formLearned from20 sentences. A (bomb attack) can be on offices of a group.Logical formLearned from20 sentences. A bomb may explode at an entrance.Logical formLearned from20 sentences. A man may carry a bomb.Logical formLearned from20 sentences. A bomb may go_off in a car.Logical formLearned from20 sentences. (Car bombs) can be common.Logical formLearned from20 sentences. A (bomb blast) may destroy a truck.Logical formLearned from20 sentences. A sticky bomb may explode.Logical formLearned from20 sentences. A (bomb attack) can be on a church.Logical formLearned from20 sentences. Bombs can be a weapon of choice.Logical formLearned from20 sentences. A world-city may test an (atom bomb).Logical formLearned from20 sentences. Some policemen may be wounded in a (bomb attack).Logical formLearned from20 sentences. Suitcases may contain homemade bombs.Logical formLearned from20 sentences. Militants may attack an embassy with a (car bomb).Logical formLearned from20 sentences.