Buses may be bounded for shelters.Logical formLearned from17 sentences. A car may be hited by a bus.Logical formLearned from17 sentences. A bomb may be attached to a bus.Logical formLearned from17 sentences. Reporters can be on a bus.Logical formLearned from17 sentences. An attack can be against a bus.Logical formLearned from17 sentences. An order can be for some buses.Logical formLearned from17 sentences. Buses may undergo bombings.Logical formLearned from17 sentences. A person may alight from a bus.Logical formLearned from17 sentences. A double-decker bus may kill some persons.Logical formLearned from17 sentences. A (bus service) can be fortnightly.Logical formLearned from17 sentences. Buses may be maintained.Logical formLearned from17 sentences. A (bus stop) may shout bomb.Logical formLearned from17 sentences. Persons may run from a (bus stop).Logical formLearned from17 sentences. A bomb may go_off at a back of a bus.Logical formLearned from17 sentences. An ex-convict may commandeer a (city bus).Logical formLearned from17 sentences.