A source can be constituted-of-or-filled-with natural gas.Logical formLearned from116 sentences. A bit can be constituted-of-or-filled-with gas.Logical formLearned from115 sentences. (Greenhouse gas emissions) can be annual.Logical formLearned from115 sentences. Sources can be constituted-of-or-filled-with natural gas.Logical formLearned from114 sentences. A cut can be in (greenhouse gas emissions).Logical formLearned from114 sentences. A price can be for natural gas.Logical formLearned from114 sentences. A (subway nerve gas attack) may pertain-to a world-city.Logical formLearned from114 sentences. Some cubic meters can be constituted-of-or-filled-with natural gas.Logical formLearned from113 sentences. A (gas money) may pertain-to a person.Logical formLearned from113 sentences. (Gas fields) can be offshore.Logical formLearned from113 sentences. A person may step on gas.Logical formLearned from113 sentences. (Gas fields) can be lucrative.Logical formLearned from113 sentences. Gas may be fired.Logical formLearned from113 sentences. Persons may have gas.Logical formLearned from111 sentences. The police may fire gas.Logical formLearned from111 sentences.