A bill can be for buses.Logical formLearned from11 sentences. Gunmen may open fire on buses.Logical formLearned from11 sentences. Windows may pertain-to a (tour bus).Logical formLearned from11 sentences. A female may travel on a bus.Logical formLearned from11 sentences. A bus may carry sailors.Logical formLearned from11 sentences. A bus may plunge into a ditch.Logical formLearned from11 sentences. An explosion may rip through a bus.Logical formLearned from11 sentences. A person may blow_up himself on a bus.Logical formLearned from11 sentences. A bombing can be on a bus.Logical formLearned from11 sentences. A bus may hit a mine.Logical formLearned from11 sentences. (Bus companies) may pertain-to a country.Logical formLearned from11 sentences. A bus may go_up in flames.Logical formLearned from11 sentences. Buses may be allowed.Logical formLearned from11 sentences. A person may blow_up a bus.Logical formLearned from11 sentences. A bus may carry a group of tourists.Logical formLearned from11 sentences.