Buildings can be plain.Logical formLearned from23 sentences. An expression can be plain.Logical formLearned from23 sentences. A principle can be plain.Logical formLearned from23 sentences. A female may look plain.Logical formLearned from23 sentences. Rules can be plain.Logical formLearned from23 sentences. A love can be plain.Logical formLearned from23 sentences. A plain language may pertain-to a text.Logical formLearned from23 sentences. A madness can be plain.Logical formLearned from23 sentences. A casket can be plain.Logical formLearned from23 sentences. A young woman can be plain.Logical formLearned from23 sentences. A bed can be plain.Logical formLearned from23 sentences. A sauce can be plain.Logical formLearned from23 sentences. A pattern can be plain.Logical formLearned from23 sentences. A west can be plain.Logical formLearned from23 sentences. A batter can be plain.Logical formLearned from23 sentences.