The sun may obscure by a cloud.Logical formLearned from3 sentences. A hand may obscure a title.Logical formLearned from3 sentences. An extent of involvement may obscure by a refusal of an office.Logical formLearned from3 sentences. A view may obscure by fog.Logical formLearned from3 sentences. An identity may obscure differences.Logical formLearned from3 sentences. Disputes may obscure progress.Logical formLearned from3 sentences. An impression may obscure a connection.Logical formLearned from3 sentences. Clouds may obscure mountains.Logical formLearned from3 sentences. (Forest green curtains) may obscure an interior of a (newspaper office).Logical formLearned from3 sentences. Branches may obscure visibility.Logical formLearned from3 sentences. The moon may obscure by a shadow.Logical formLearned from3 sentences. Politicians may obscure reality.Logical formLearned from3 sentences. Imaging may obscure results of experiments.Logical formLearned from3 sentences. A signature of negative selection may obscure to some extent.Logical formLearned from3 sentences. A face may obscure by a helmet.Logical formLearned from3 sentences.