A world-city may go_off during (morning rush).Logical formLearned from6 sentences. An audience may go_off to (pirate services).Logical formLearned from6 sentences. A world-city may go_off in a van.Logical formLearned from6 sentences. Dissidents may go_off.Logical formLearned from6 sentences. An explosion may go_off in a (Jewish neighborhood).Logical formLearned from6 sentences. Some engines may go_off tracks.Logical formLearned from6 sentences. An explosion may go_off in a (four-wheel-drive vehicle).Logical formLearned from6 sentences. A celebration may go_off without a hitch.Logical formLearned from6 sentences. Lights may go_off on a side.Logical formLearned from6 sentences. Some devices may go_off in a commercial district.Logical formLearned from6 sentences. A person may go_off a course.Logical formLearned from6 sentences. A device may go_off at a church.Logical formLearned from6 sentences. Some explosions may go_off in a pedestrian mall.Logical formLearned from6 sentences. A van may go_off around midday.Logical formLearned from6 sentences. An officer may go_off.Logical formLearned from6 sentences.