Bombs can be from an attack.Logical formLearned from21 sentences. (Car bombs) may explode.Logical formLearned from21 sentences. A bomb can be on a bus.Logical formLearned from21 sentences. A site may pertain-to a (bomb attack).Logical formLearned from21 sentences. Commandos may set_off bombs.Logical formLearned from21 sentences. An explosion can be from a (car bomb).Logical formLearned from21 sentences. Bombs may be used in attacks.Logical formLearned from21 sentences. A (pipe bomb) may explode in a park.Logical formLearned from21 sentences. A bomb may shatter windows.Logical formLearned from21 sentences. Some (suicide bomb attacks) may kill some persons.Logical formLearned from21 sentences. A (suicide bomb) can be powerful.Logical formLearned from21 sentences. Police may deactivate a bomb.Logical formLearned from21 sentences. A bomb may explode in a toilet.Logical formLearned from21 sentences. A bomb may explode in a van.Logical formLearned from21 sentences. Remains may pertain-to a bomb.Logical formLearned from21 sentences.