A bus may go_up into air.Logical formLearned from18 sentences. A seat may pertain-to a (bus driver).Logical formLearned from18 sentences. A man may commandeer a bus.Logical formLearned from18 sentences. Foam can be from a bus.Logical formLearned from18 sentences. A (suicide bomber) may stand in a middle of a bus.Logical formLearned from18 sentences. An armed attack can be on a (team bus).Logical formLearned from18 sentences. Large numbers can be constituted-of-or-filled-with buses.Logical formLearned from18 sentences. Advertisements can be on buses.Logical formLearned from18 sentences. A (bus fleet) may pertain-to a city.Logical formLearned from18 sentences. Dozens can be constituted-of-or-filled-with (school buses).Logical formLearned from18 sentences. A bus may collide with a van.Logical formLearned from18 sentences. Some men can be on a bus.Logical formLearned from18 sentences. A (bus bombing) can be in a capital.Logical formLearned from18 sentences. Lines can be constituted-of-or-filled-with buses.Logical formLearned from18 sentences. A (car bomb) may rip through a bus.Logical formLearned from18 sentences.