A hike can be in (gas prices).Logical formLearned from42 sentences. A (gas pipeline network) may pertain-to a country.Logical formLearned from42 sentences. (Gas reserve) can be untapped.Logical formLearned from42 sentences. Curbs can be on (greenhouse gas emissions).Logical formLearned from42 sentences. Exploration can be for natural gas.Logical formLearned from41 sentences. Gas may undergo a search.Logical formLearned from41 sentences. Gas can be expensive.Logical formLearned from41 sentences. Some persons may be killed in a (gas explosion).Logical formLearned from41 sentences. A (gas mileage) can be improved.Logical formLearned from41 sentences. (Gas prices) can be at highs.Logical formLearned from41 sentences. Persons may pay for gas.Logical formLearned from41 sentences. A (gas meter) may pertain-to a person.Logical formLearned from41 sentences. An odor can be constituted-of-or-filled-with gas.Logical formLearned from41 sentences. (Gas stations) can be for fuel.Logical formLearned from41 sentences. A (gas supply) may pertain-to a continent.Logical formLearned from41 sentences.