(Hydrogen gas) may undergo a flow.Logical formLearned from21 sentences. Gas may be intended for customers.Logical formLearned from21 sentences. One-quarter may pertain-to a natural gas.Logical formLearned from21 sentences. (Gas deposits) can be maritime.Logical formLearned from21 sentences. A (gas agreement) can be with a country.Logical formLearned from21 sentences. Pockets can be constituted-of-or-filled-with natural gas.Logical formLearned from21 sentences. Natural gas can be for use.Logical formLearned from21 sentences. (Gas emissions) may be blamed for global warming.Logical formLearned from21 sentences. A (market price) can be for natural gas.Logical formLearned from21 sentences. A (natural gas storage) may pertain-to a country.Logical formLearned from21 sentences. A blast may be caused by a (gas leak).Logical formLearned from21 sentences. A price may pertain-to (gas exports).Logical formLearned from21 sentences. (Construction workers) may break_open a barrel of (poison gas).Logical formLearned from21 sentences. A (gas cylinder) may be placed.Logical formLearned from21 sentences. A (natural gas pipeline) may pertain-to a company.Logical formLearned from21 sentences.