A (gas cutoff) may pertain-to a country.Logical formLearned from15 sentences. Gas may undergo a purchase.Logical formLearned from15 sentences. Cuts can be in (greenhouse gas pollution).Logical formLearned from15 sentences. An era can be constituted-of-or-filled-with gas.Logical formLearned from15 sentences. (Greenhouse gas emissions) can be regional.Logical formLearned from15 sentences. A person may talk about (gas prices).Logical formLearned from15 sentences. A person may save gas.Logical formLearned from15 sentences. A (nitrogen gas tank) can be empty.Logical formLearned from15 sentences. Persons may see at a (gas pump).Logical formLearned from15 sentences. A country may buy gas.Logical formLearned from15 sentences. Gas may cross a territory.Logical formLearned from15 sentences. Smoke may billow from a (burning gas station).Logical formLearned from15 sentences. Some (gas stations) may be closed.Logical formLearned from15 sentences. Gas can be from a continental-region.Logical formLearned from15 sentences. Fumes can be from gas.Logical formLearned from15 sentences.