A landscape can be abstract.Logical formLearned from82 sentences. An art can be abstract.Logical formLearned from80 sentences. A right can be abstract.Logical formLearned from80 sentences. Topics can be abstract.Logical formLearned from80 sentences. A text can be abstract.Logical formLearned from80 sentences. A deadline can be abstract.Logical formLearned from79 sentences. A shape can be abstract.Logical formLearned from79 sentences. A picture can be abstract.Logical formLearned from78 sentences. (Base classes) can be abstract.Logical formLearned from78 sentences. A composition can be abstract.Logical formLearned from77 sentences. A person can be abstract.Logical formLearned from76 sentences. Pictures can be abstract.Logical formLearned from75 sentences. Motifs can be abstract.Logical formLearned from74 sentences. Operations can be abstract.Logical formLearned from74 sentences. A meaning can be abstract.Logical formLearned from72 sentences.