A radiograph can be plain.Logical formLearned from46 sentences. Coffins can be plain.Logical formLearned from46 sentences. A stone can be plain.Logical formLearned from45 sentences. Others can be plain.Logical formLearned from45 sentences. A pair can be plain.Logical formLearned from45 sentences. A white bread can be plain.Logical formLearned from45 sentences. Citizens can be plain.Logical formLearned from45 sentences. A gown can be plain.Logical formLearned from44 sentences. A plain meaning may pertain-to a term.Logical formLearned from44 sentences. A business can be plain.Logical formLearned from44 sentences. A website can be plain.Logical formLearned from44 sentences. An oatmeal can be plain.Logical formLearned from44 sentences. A number can be plain.Logical formLearned from44 sentences. A cup can be plain.Logical formLearned from44 sentences. Plain language may undergo a use.Logical formLearned from44 sentences.