A head may pertain-to a (gas company).Logical formLearned from24 sentences. (Gas chambers) can be a detail of history.Logical formLearned from24 sentences. Exposure can be to a (nerve gas sarin).Logical formLearned from24 sentences. A pipeline may bring gas.Logical formLearned from24 sentences. Gas may undergo a removal.Logical formLearned from24 sentences. A row may lead to supplies of gas.Logical formLearned from24 sentences. (Gas supplies) may be halted.Logical formLearned from24 sentences. A country may allow in shipments of (cooking gas).Logical formLearned from24 sentences. A (gas leak) can be in a month.Logical formLearned from24 sentences. Some cars may be packed with (gas canisters).Logical formLearned from24 sentences. Gas can be for a country.Logical formLearned from24 sentences. A (gas sector) may pertain-to a country.Logical formLearned from24 sentences. Gas may pertain-to an international-political-entity.Logical formLearned from24 sentences. A (gas explosion) may rip through a mine.Logical formLearned from24 sentences. A person may work in a (gas station).Logical formLearned from24 sentences.