A (suicide attack) can be on a bus.Logical formLearned from12 sentences. Somebody may hit a bus from a back.Logical formLearned from12 sentences. (Tour buses) can be civilian.Logical formLearned from12 sentences. Persons can be at (bus stops).Logical formLearned from12 sentences. A (bus stop) can be across a street.Logical formLearned from12 sentences. A bus may be packed with families.Logical formLearned from12 sentences. A world-city may blow_up himself on a bus.Logical formLearned from12 sentences. (Tourist buses) can be in a country.Logical formLearned from12 sentences. A group can be constituted-of-or-filled-with (bus drivers).Logical formLearned from12 sentences. A (bus hijacking) may pertain-to a country.Logical formLearned from12 sentences. Some persons may be killed in a (bus crash).Logical formLearned from12 sentences. Civilians can be in buses.Logical formLearned from12 sentences. A (bus driver) may escape with wounds.Logical formLearned from12 sentences. Bus may plunge into river.Logical formLearned from12 sentences. (Suicide bombers) may board buses.Logical formLearned from12 sentences.