Gas can be yellow-green.Logical formLearned from10 sentences. Natural gas may increase.Logical formLearned from10 sentences. Gas can be at a temperature.Logical formLearned from10 sentences. A decline can be in natural gas.Logical formLearned from10 sentences. A teenager may pump gas.Logical formLearned from10 sentences. A (gas leak) can be in a home.Logical formLearned from10 sentences. A (gas engine) may run.Logical formLearned from10 sentences. A natural gas can be costly.Logical formLearned from10 sentences. Natural gas may be fuelled.Logical formLearned from10 sentences. Natural gas may flow.Logical formLearned from10 sentences. (Gas resources) can be known.Logical formLearned from10 sentences. (Gas pipelines) can be underground.Logical formLearned from10 sentences. A (gas supplier) may pertain-to a person.Logical formLearned from10 sentences. (Gas mileage) may decrease at speeds.Logical formLearned from10 sentences. An (acid gas) can be sulphurous.Logical formLearned from10 sentences.