(Gas stations) can be closed.Logical formLearned from23 sentences. Investment can be in gas.Logical formLearned from23 sentences. Gas can be for (energy supplies).Logical formLearned from23 sentences. A (natural gas monopoly) may pertain-to a country.Logical formLearned from23 sentences. (Gas attacks) can be deadly.Logical formLearned from23 sentences. (Gas prices) can be weak.Logical formLearned from23 sentences. (Gas supply contracts) can be long-term.Logical formLearned from22 sentences. A (gas blast) may kill some miners.Logical formLearned from22 sentences. A (gas supply) may pertain-to a continent.Logical formLearned from22 sentences. A country can be rich in natural gas.Logical formLearned from22 sentences. A (greenhouse gas) may be blamed for (climate change).Logical formLearned from22 sentences. A (gas pipeline) may link some countries.Logical formLearned from22 sentences. Gas may spread.Logical formLearned from22 sentences. (Gas requirements) may pertain-to a country.Logical formLearned from22 sentences. (Gas reserve) can be in a country.Logical formLearned from22 sentences.