Buses may be crowded.Logical formLearned from12 sentences. A speed may pertain-to a (system bus).Logical formLearned from12 sentences. A company may operate buses.Logical formLearned from12 sentences. Some buses may be line_uped.Logical formLearned from12 sentences. An explosion may rock a bus.Logical formLearned from12 sentences. Buses may roll_in by dozens.Logical formLearned from12 sentences. A (city bus) can be at a (downtown intersection).Logical formLearned from12 sentences. A math can be on a (school bus).Logical formLearned from12 sentences. A bus can be in rain.Logical formLearned from12 sentences. Buses may undergo a flow.Logical formLearned from12 sentences. Papers can be at a (bus station).Logical formLearned from12 sentences. Buses may collide.Logical formLearned from12 sentences. A semitrailer may smash into a (tour bus).Logical formLearned from12 sentences. Buses can be heavy.Logical formLearned from12 sentences. A bus may park.Logical formLearned from12 sentences.