A male may extract chief (executive officer).Logical formLearned from13 sentences. Work may be extracted.Logical formLearned from13 sentences. Material may be extracted from brains of members of a family.Logical formLearned from13 sentences. Some authors may be extracted.Logical formLearned from13 sentences. A country may extract gas from a field.Logical formLearned from13 sentences. Resources may be extracted in a province.Logical formLearned from13 sentences. A bug may extract saps.Logical formLearned from13 sentences. Police may be extracted.Logical formLearned from13 sentences. Water may be extracted.Logical formLearned from12 sentences. An author may extract data.Logical formLearned from12 sentences. (Wisdom teeth) may be extracted.Logical formLearned from12 sentences. Compounds may be extracted.Logical formLearned from12 sentences. Elements may be extracted.Logical formLearned from12 sentences. An opportunity can be for extracting knowledge.Logical formLearned from12 sentences. Gold may be extracted.Logical formLearned from12 sentences.