Police may answer with gas.Logical formLearned from11 sentences. (Gas samples) can be from a volcano.Logical formLearned from11 sentences. Gas may be used in nazi (death camps).Logical formLearned from11 sentences. (Nerve gas) can be in subways.Logical formLearned from11 sentences. (Navy commandos) may fire gas.Logical formLearned from11 sentences. Others may be overcome by gas.Logical formLearned from11 sentences. Some women may die in a (gas chamber).Logical formLearned from11 sentences. A (gas chamber) may be hid in a shed.Logical formLearned from11 sentences. A truck may be bounded for (gas chambers).Logical formLearned from11 sentences. A carpenter can be at (gas chambers).Logical formLearned from11 sentences. (Nerve gas) may be used in a (subway attack).Logical formLearned from11 sentences. A (nerve gas sarin) may kill some persons.Logical formLearned from11 sentences. Some specialists can be in (gas masks).Logical formLearned from11 sentences. A (gas tank) can be underground.Logical formLearned from11 sentences. A (gas project) may pertain-to a company.Logical formLearned from11 sentences.