A head-on collision can be between some (passenger buses).Logical formLearned from11 sentences. A bus may pertain-to a service-agency.Logical formLearned from11 sentences. Buses may head.Logical formLearned from11 sentences. A (bus operator) can be municipal.Logical formLearned from11 sentences. A (bus line) can be regular.Logical formLearned from11 sentences. (Bus service) can be between a US-city.Logical formLearned from11 sentences. (Night bus) can be (night service).Logical formLearned from11 sentences. A male may arrive by bus.Logical formLearned from11 sentences. A bus may pertain-to a coach.Logical formLearned from11 sentences. Buses may make stops.Logical formLearned from11 sentences. Articulated buses may undergo a use.Logical formLearned from11 sentences. A (bus line) can be regional.Logical formLearned from11 sentences. A (bus system) may pertain-to a male.Logical formLearned from11 sentences. A (bus company) may pertain-to a city.Logical formLearned from11 sentences. A back end may pertain-to a bus.Logical formLearned from11 sentences.