A noise can be plain.Logical formLearned from10 sentences. A wallpaper can be plain.Logical formLearned from10 sentences. A (brick structure) can be plain.Logical formLearned from10 sentences. Sides can be plain.Logical formLearned from10 sentences. A human being can be plain.Logical formLearned from10 sentences. A beef can be plain.Logical formLearned from10 sentences. Squares can be plain.Logical formLearned from10 sentences. An onigiri can be plain.Logical formLearned from10 sentences. A tablecloth can be plain.Logical formLearned from10 sentences. Rules can be plain.Logical formLearned from10 sentences. A government-agency may make plain.Logical formLearned from10 sentences. A (dealer newspaper) can be plain.Logical formLearned from10 sentences. A polemic can be plain.Logical formLearned from10 sentences. Veggies can be plain.Logical formLearned from10 sentences. A pentapody can be plain.Logical formLearned from10 sentences.