An appetite can be for natural gas.Logical formLearned from23 sentences. A (natural gas contract) may pertain-to a month.Logical formLearned from23 sentences. Gas can be nonflammable.Logical formLearned from23 sentences. Gas can be a fuel.Logical formLearned from23 sentences. (Gas prices) may rise.Logical formLearned from23 sentences. Gas may be removed.Logical formLearned from23 sentences. A (hydrogen gas) can be cold.Logical formLearned from23 sentences. Gas may undergo a heating.Logical formLearned from23 sentences. Gas may dissipate.Logical formLearned from23 sentences. A (gas pipeline) can be from a country.Logical formLearned from23 sentences. A person may burn gas.Logical formLearned from23 sentences. A result can be constituted-of-or-filled-with (greenhouse gas emissions).Logical formLearned from23 sentences. (Gas producers) may pertain-to the world.Logical formLearned from23 sentences. A (gas day) can be completed.Logical formLearned from23 sentences. Gas can be free.Logical formLearned from23 sentences.