(Gas prices) may go_up some percent.Logical formLearned from12 sentences. Shortfalls can be in (gas supplies).Logical formLearned from12 sentences. A (transit country) can be for gas.Logical formLearned from12 sentences. Gas may remain in a country.Logical formLearned from12 sentences. (Gas fields) can be rich.Logical formLearned from12 sentences. (Gas purchases) may pertain-to a country.Logical formLearned from12 sentences. (Gas needs) can be annual.Logical formLearned from12 sentences. A (gas leak) can be at a (coal mine).Logical formLearned from12 sentences. A (gas pipeline) may link a country with a country.Logical formLearned from12 sentences. Victims may pertain-to (gas chambers).Logical formLearned from12 sentences. Survivors may pertain-to a (gas tragedy).Logical formLearned from12 sentences. (Gas centrifuges) may undergo a manufacture.Logical formLearned from12 sentences. A (gas explosion) may be ravaged.Logical formLearned from12 sentences. Control may pertain-to a (gas transport network).Logical formLearned from12 sentences. Gas may be exported through a country.Logical formLearned from12 sentences.