A cost may pertain-to a natural gas.Logical formLearned from15 sentences. A (gas tax) can be cents.Logical formLearned from15 sentences. Gas may be shipped.Logical formLearned from15 sentences. Tankers may carry liquefied natural gas.Logical formLearned from15 sentences. A person may burn natural gas.Logical formLearned from15 sentences. Gas may be gone.Logical formLearned from15 sentences. A male may spend on gas.Logical formLearned from15 sentences. A country may use natural gas.Logical formLearned from15 sentences. (Gas prices) may skyrocket.Logical formLearned from15 sentences. Pressures may be found in cores of (gas planets).Logical formLearned from15 sentences. A manual may call for gas.Logical formLearned from15 sentences. Gas can be for an engine.Logical formLearned from15 sentences. Natural gas can be a fossil fuel.Logical formLearned from15 sentences. A (gas mileage) can be terrible.Logical formLearned from15 sentences. Gas can be a commodity.Logical formLearned from15 sentences.