A curve of a path may obscure from view.Logical formLearned from2 sentences. Categories of (vaccination complier) may obscure a range of experiences.Logical formLearned from2 sentences. Galaxies may contain a lot of obscurring dust.Logical formLearned from2 sentences. A dichotomy may obscure a fact.Logical formLearned from2 sentences. (Rock walls) may obscure by sands.Logical formLearned from2 sentences. A mountain may obscure by clouds.Logical formLearned from2 sentences. Documents may obscure a difference.Logical formLearned from2 sentences. A debate may obscure plans.Logical formLearned from2 sentences. Responses may obscure by results of (group experiments).Logical formLearned from2 sentences. The moon may obscure by clouds.Logical formLearned from2 sentences. Stochastic effects may obscure in a mix of dynamics.Logical formLearned from2 sentences. A charge may obscure a line.Logical formLearned from2 sentences. A pig may obscure a division.Logical formLearned from2 sentences. A legal doctrine may obscure by an argument.Logical formLearned from2 sentences. A submission of information may obscure information from an examiner.Logical formLearned from2 sentences.