A boring can be plain.Logical formLearned from18 sentences. Boots can be plain.Logical formLearned from18 sentences. A brown hair can be plain.Logical formLearned from18 sentences. Pumps can be plain.Logical formLearned from18 sentences. A hot dog can be plain.Logical formLearned from18 sentences. A hot water can be plain.Logical formLearned from18 sentences. Silk can be plain.Logical formLearned from18 sentences. A rhythm can be plain.Logical formLearned from18 sentences. A shit can be plain.Logical formLearned from18 sentences. Persons can be plain.Logical formLearned from18 sentences. A hypocrisy can be plain.Logical formLearned from18 sentences. A vodka can be plain.Logical formLearned from18 sentences. A history can be plain.Logical formLearned from18 sentences. A white room can be plain.Logical formLearned from18 sentences. A view can be plain.Logical formLearned from18 sentences.