A bus may plunge off a cliff.Logical formLearned from35 sentences. A bus may fall into a river.Logical formLearned from35 sentences. A bus may skid_off a road.Logical formLearned from35 sentences. A (suicide bus bombing) can be in a world-city.Logical formLearned from35 sentences. (Bus services) can be in a world-city.Logical formLearned from35 sentences. A (bus stop) may pertain-to a road.Logical formLearned from35 sentences. A bus can be in a city.Logical formLearned from35 sentences. Buses can be crowded.Logical formLearned from35 sentences. A bus can be quiet.Logical formLearned from35 sentences. A bus may blow_up.Logical formLearned from35 sentences. A back door may pertain-to a bus.Logical formLearned from35 sentences. A female may step_off a bus.Logical formLearned from35 sentences. A person may love a bus.Logical formLearned from35 sentences. Buses may be packed.Logical formLearned from35 sentences. Bus can be in crash.Logical formLearned from35 sentences.