A bomb may go_off at a time.Logical formLearned from3 sentences. Some (car bomb) may go_off at a (police compound).Logical formLearned from3 sentences. A bomb may go_off in a (building housing).Logical formLearned from3 sentences. A (car bomb blast) may go_off at some pm.Logical formLearned from3 sentences. A bomb may go_off under a bench.Logical formLearned from3 sentences. A bomb may go_off in a compound.Logical formLearned from3 sentences. A grenade may go_off in a (suburb town).Logical formLearned from3 sentences. Explosives may go_off in some (oil wells).Logical formLearned from3 sentences. Some bombs may go_off on succession.Logical formLearned from3 sentences. A bomb may go_off with a bang.Logical formLearned from3 sentences. A bomb may go_off in a (passenger train).Logical formLearned from3 sentences. A (road bomb) may go_off.Logical formLearned from3 sentences. A world-city may go_off in a bus.Logical formLearned from3 sentences. Explosions may go_off in a (pedestrian mall).Logical formLearned from3 sentences. Some others may go_off.Logical formLearned from3 sentences.