Barrages can be constituted-of-or-filled-with gas.Logical formLearned from47 sentences. A (methane gas explosion) may rip through a (coal mine).Logical formLearned from46 sentences. A country may hold (gas reserve).Logical formLearned from46 sentences. Gas may undergo an explosion.Logical formLearned from46 sentences. Gas can be combined.Logical formLearned from46 sentences. Good can be on gas.Logical formLearned from46 sentences. Natural gas may undergo a gathering.Logical formLearned from46 sentences. An (oil and gas industry) may pertain-to a country.Logical formLearned from46 sentences. (Gas stations) can be in a us-state.Logical formLearned from46 sentences. Gas can be tenuous.Logical formLearned from46 sentences. A (gas field) may undergo a discovery.Logical formLearned from46 sentences. Soldiers may respond with gas.Logical formLearned from46 sentences. Thousands can be constituted-of-or-filled-with (gas masks).Logical formLearned from46 sentences. A build-up can be constituted-of-or-filled-with (methane gas).Logical formLearned from46 sentences. A repeat may pertain-to a (gas crisis).Logical formLearned from46 sentences.