Properties can be abstract.Logical formLearned from135 sentences. A piece can be abstract.Logical formLearned from135 sentences. A class can be abstract.Logical formLearned from131 sentences. An ideal can be abstract.Logical formLearned from131 sentences. Qualities can be abstract.Logical formLearned from129 sentences. An issue can be abstract.Logical formLearned from120 sentences. A version can be abstract.Logical formLearned from120 sentences. Pieces can be abstract.Logical formLearned from119 sentences. An analysis can be abstract.Logical formLearned from118 sentences. Problems can be abstract.Logical formLearned from116 sentences. Systems can be abstract.Logical formLearned from116 sentences. A framework can be abstract.Logical formLearned from115 sentences. A point can be abstract.Logical formLearned from115 sentences. Landscapes can be abstract.Logical formLearned from115 sentences. Work can be abstract.Logical formLearned from115 sentences.