A bomb may go_off in a center of city.Logical formLearned from5 sentences. Explosives may go_off in a pit of a mine.Logical formLearned from5 sentences. A bomb may go_off in_front_of an office of a (district chief).Logical formLearned from5 sentences. A bomb may go_off between a (police station).Logical formLearned from5 sentences. A (package bomb) may go_off in hands.Logical formLearned from5 sentences. A (bomb blast) may go_off.Logical formLearned from5 sentences. Some drivers may go_off a track.Logical formLearned from5 sentences. A (size blast) may go_off.Logical formLearned from5 sentences. A blast may go_off at a (railway station).Logical formLearned from5 sentences. A blast may go_off in_front_of a restaurant.Logical formLearned from5 sentences. Bombs may go_off on a train.Logical formLearned from5 sentences. Some bombs may go_off across a capital.Logical formLearned from5 sentences. A blast may go_off in a (bazaar area).Logical formLearned from5 sentences. A total of some bombs may go_off over a period.Logical formLearned from5 sentences. Some events may go_off.Logical formLearned from5 sentences.