A bus may fall some feet.Logical formLearned from12 sentences. Protesters may burn buses.Logical formLearned from12 sentences. A bus may speed through an ambush.Logical formLearned from12 sentences. A bus may slide.Logical formLearned from12 sentences. (Bus tours) can be organized.Logical formLearned from12 sentences. Passengers may reboard a bus.Logical formLearned from12 sentences. A side of a bus may be blow_offed.Logical formLearned from12 sentences. Connection can be with a (bus bombing).Logical formLearned from12 sentences. Some attacks can be on (passenger buses).Logical formLearned from12 sentences. A (bus operator) can be in a world-city.Logical formLearned from12 sentences. Buses may burn.Logical formLearned from12 sentences. A car may ram a bus.Logical formLearned from12 sentences. Buses can be gray.Logical formLearned from12 sentences. A (tour bus) may crash.Logical formLearned from12 sentences. A bus may undergo checks.Logical formLearned from12 sentences.