A side can be abstract.Logical formLearned from46 sentences. Levels can be abstract.Logical formLearned from46 sentences. Matters can be abstract.Logical formLearned from46 sentences. Specifications can be abstract.Logical formLearned from45 sentences. A node can be abstract.Logical formLearned from45 sentences. Paintings can be abstract.Logical formLearned from45 sentences. A theory can be abstract.Logical formLearned from45 sentences. Events can be abstract.Logical formLearned from45 sentences. A photography can be abstract.Logical formLearned from44 sentences. Databases can be abstract.Logical formLearned from44 sentences. A doctrine can be abstract.Logical formLearned from44 sentences. A canvas can be abstract.Logical formLearned from44 sentences. Research can be abstract.Logical formLearned from44 sentences. Architecture can be abstract.Logical formLearned from44 sentences. An element can be abstract.Logical formLearned from44 sentences.