A (bus service) may undergo an opening.Logical formLearned from11 sentences. (Bus operators) can be long-distance.Logical formLearned from11 sentences. A (bus terminal) may be located.Logical formLearned from11 sentences. A (tour bus) can be black.Logical formLearned from11 sentences. Armed attacks can be on buses.Logical formLearned from11 sentences. An underside may pertain-to a bus.Logical formLearned from11 sentences. A male may get_off of a bus.Logical formLearned from11 sentences. Buses can be from a world-city.Logical formLearned from11 sentences. A frequency may pertain-to a (bus service).Logical formLearned from11 sentences. A (bomb blast) can be on a (passenger bus).Logical formLearned from11 sentences. Responsibility can be for a (suicide bus bombing).Logical formLearned from11 sentences. A bus may be packed with (air force personnel).Logical formLearned from11 sentences. A bus may be headed for a country.Logical formLearned from11 sentences. The police may storm a bus.Logical formLearned from11 sentences. Buses may be blow_uped by hardliners.Logical formLearned from11 sentences.