(Methane gas) may undergo concentrations.Logical formLearned from111 sentences. A (gas explosion) may rip through a (coal mine).Logical formLearned from111 sentences. A (gas production) may pertain-to a country.Logical formLearned from110 sentences. Gas can be warm.Logical formLearned from109 sentences. Access can be to gas.Logical formLearned from109 sentences. Gas may flow.Logical formLearned from109 sentences. A percent may pertain-to (greenhouse gas emissions).Logical formLearned from109 sentences. A (gas tax) may undergo a suspension.Logical formLearned from108 sentences. Gas may go_up.Logical formLearned from108 sentences. A price of gas may go_up.Logical formLearned from108 sentences. A density may pertain-to gas.Logical formLearned from108 sentences. A country may buy gas.Logical formLearned from107 sentences. (Carbon monoxide) can be gas.Logical formLearned from107 sentences. Gas may pertain-to a company.Logical formLearned from107 sentences. A bubble can be constituted-of-or-filled-with gas.Logical formLearned from107 sentences.