Persons may be obscured by tree.Logical formLearned from2 sentences. A pitch may obscure by fog.Logical formLearned from2 sentences. A light may obscure by trees.Logical formLearned from2 sentences. A face may obscure in shadows.Logical formLearned from2 sentences. Some episodes may obscure some images.Logical formLearned from2 sentences. A view may obscure by structures.Logical formLearned from2 sentences. A gallery may obscure a view of parliamentary proceedings.Logical formLearned from2 sentences. Facts may obscure by history.Logical formLearned from2 sentences. A layer of debris may obscure sites.Logical formLearned from2 sentences. A contribution to an art of a time may obscure by a distance.Logical formLearned from2 sentences. A mask may obscure a vision.Logical formLearned from2 sentences. A judgment may obscure facts of a matter.Logical formLearned from2 sentences. A view of a finish-line may obscure by spectators.Logical formLearned from2 sentences. (Time periods) may obscure details.Logical formLearned from2 sentences. Methods may obscure (license plates).Logical formLearned from2 sentences.