A (gas company) may pertain-to a US-city.Logical formLearned from25 sentences. Competition can be in a (gas market).Logical formLearned from25 sentences. (Gas stations) may pertain-to a world-city.Logical formLearned from25 sentences. A (natural gas industry) may pertain-to a country.Logical formLearned from25 sentences. (Gas fields) can be undeveloped.Logical formLearned from25 sentences. Radon can be gas.Logical formLearned from25 sentences. Police may wear (gas masks).Logical formLearned from25 sentences. A (greenhouse gas) can be in the atmosphere.Logical formLearned from25 sentences. Gas may undergo a burning.Logical formLearned from25 sentences. An (oxide gas) can be nitrous.Logical formLearned from25 sentences. A (gas fireplace) may pertain-to a person.Logical formLearned from25 sentences. A (gas pipeline operator) may pertain-to a country.Logical formLearned from25 sentences. (Gas prices) can be for a country.Logical formLearned from25 sentences. A (methyl isocyanate gas) can be deadly.Logical formLearned from25 sentences. A (natural gas giant) may pertain-to a country.Logical formLearned from25 sentences.