Exposure can be to gas.Logical formLearned from73 sentences. A person may save money on gas.Logical formLearned from73 sentences. A person may get a (gas card).Logical formLearned from73 sentences. Natural gas may fall some cents.Logical formLearned from73 sentences. (Greenhouse gas emissions) can be increased.Logical formLearned from73 sentences. Lines can be at (gas stations).Logical formLearned from73 sentences. Gas may be destined for a continent.Logical formLearned from73 sentences. A dependence can be on natural gas.Logical formLearned from73 sentences. A natural gas can be residential.Logical formLearned from73 sentences. Gas may undergo flows.Logical formLearned from72 sentences. A layer can be constituted-of-or-filled-with gas.Logical formLearned from72 sentences. Gas may undergo an injection.Logical formLearned from72 sentences. Gas may be powered.Logical formLearned from72 sentences. A volume may pertain-to gas.Logical formLearned from72 sentences. Gas can be colourless.Logical formLearned from72 sentences.