Some persons may be killed in a (bus attack).Logical formLearned from20 sentences. Drivers may pertain-to buses.Logical formLearned from20 sentences. A (bus ticket) can be to a world-city.Logical formLearned from20 sentences. Persons may ride a bus.Logical formLearned from20 sentences. Buses can be colorful.Logical formLearned from20 sentences. Some buses can be in operation.Logical formLearned from20 sentences. Buses may pertain-to a us-state.Logical formLearned from20 sentences. A (school bus) can be full of kids.Logical formLearned from20 sentences. Hundreds can be constituted-of-or-filled-with (bus drivers).Logical formLearned from20 sentences. Buses can be dilapidated.Logical formLearned from20 sentences. A female may hop on a bus.Logical formLearned from20 sentences. Buses may pertain-to an express-service.Logical formLearned from20 sentences. Persons may take a (shuttle bus).Logical formLearned from20 sentences. A size may pertain-to a bus.Logical formLearned from20 sentences. A person may come on a bus.Logical formLearned from20 sentences.