Gas may belong to a nation.Logical formLearned from13 sentences. A route can be for gas.Logical formLearned from13 sentences. A blast may be caused by a (gas explosion).Logical formLearned from13 sentences. A quarter of gas may be consumed in an international-political-entity.Logical formLearned from13 sentences. A (gas crisis) may pertain-to winter.Logical formLearned from13 sentences. Iranian police may fire gas.Logical formLearned from13 sentences. A country may pay a (gas bill).Logical formLearned from13 sentences. (Carbon gas emissions) may pertain-to the world.Logical formLearned from13 sentences. A percent may pertain-to (carbon gas emissions).Logical formLearned from13 sentences. A (gas customer) may pertain-to a country.Logical formLearned from13 sentences. A spokesman can be for a (state gas company).Logical formLearned from13 sentences. Gas may reach a country.Logical formLearned from13 sentences. The police may fire gas.Logical formLearned from13 sentences. Drops can be in (gas supplies).Logical formLearned from13 sentences. Gas may flow through a country.Logical formLearned from13 sentences.