An (oak tree) can be in a backyard.Logical formLearned from8 sentences. A coffin may be made from oak.Logical formLearned from8 sentences. An (oak desk) can be carved.Logical formLearned from8 sentences. Some years can be in (oak barrels).Logical formLearned from7 sentences. Forests may be dominated by oak.Logical formLearned from7 sentences. A layer can be constituted-of-or-filled-with oak.Logical formLearned from7 sentences. An (oak tree) can be black.Logical formLearned from7 sentences. Species can be constituted-of-or-filled-with (oak tree).Logical formLearned from7 sentences. Merit can be with (oak leaf cluster).Logical formLearned from7 sentences. Areas can be constituted-of-or-filled-with oak.Logical formLearned from7 sentences. A sprig can be constituted-of-or-filled-with (oak leaves).Logical formLearned from7 sentences. Oak can be a problem.Logical formLearned from7 sentences. A male may hide in an (oak tree).Logical formLearned from7 sentences. Barrels may be made of oak.Logical formLearned from7 sentences. Barrels can be constituted-of-or-filled-with oak.Logical formLearned from7 sentences.