Persons may board buses.Logical formLearned from21 sentences. Buses can be slow.Logical formLearned from21 sentences. A bus can be packed.Logical formLearned from21 sentences. Bus may run.Logical formLearned from21 sentences. A (police bus) may carry prisoners.Logical formLearned from21 sentences. Buses can be from companies.Logical formLearned from21 sentences. A person may miss a (bus stop).Logical formLearned from21 sentences. A bus may break.Logical formLearned from21 sentences. A bus may overturn in a region of a west.Logical formLearned from21 sentences. A bomb may rip through an (air force bus).Logical formLearned from21 sentences. A bomb may target an (air force bus).Logical formLearned from21 sentences. A bus can be missed.Logical formLearned from21 sentences. A (bus driver) may stop.Logical formLearned from21 sentences. A bus can be busy.Logical formLearned from21 sentences. A person may hop a bus.Logical formLearned from21 sentences.