Oil may be extracted from fields.Logical formLearned from9 sentences. Natural gas may be extracted from a territory.Logical formLearned from9 sentences. Workers may be extracted.Logical formLearned from9 sentences. A US-president may be extracted.Logical formLearned from9 sentences. A (dna material) may be extracted by some laboratories.Logical formLearned from9 sentences. A deuterium may be extracted from a liter of (sea water).Logical formLearned from8 sentences. Some tonnes of copper may be extracted.Logical formLearned from8 sentences. A heart may be extracted.Logical formLearned from8 sentences. An attempt can be at extracting a chronology.Logical formLearned from8 sentences. A metal may be extracted.Logical formLearned from8 sentences. Some features may be extracted.Logical formLearned from8 sentences. A substance may be extracted from plant.Logical formLearned from8 sentences. Value may be extracted.Logical formLearned from8 sentences. An identity of a party may be extracted.Logical formLearned from8 sentences. Sex drive).Logical formLearned from8 sentences.