Air may obscure vision.Logical formLearned from2 sentences. A horizon may obscure by trees.Logical formLearned from2 sentences. An (orange haze) may obscure a surface.Logical formLearned from2 sentences. A light may obscure by a black cloud.Logical formLearned from2 sentences. A creation may obscure by sins of man.Logical formLearned from2 sentences. Trees may obscure a house from a road.Logical formLearned from2 sentences. Strings may obscure a difference.Logical formLearned from2 sentences. Snow may obscure landmarks.Logical formLearned from2 sentences. An analysis may obscure a role.Logical formLearned from2 sentences. Film may obscure some light.Logical formLearned from2 sentences. A male may obscure origins.Logical formLearned from2 sentences. A structure may obscure a view of a plaza from an intersection.Logical formLearned from2 sentences. Focus may obscure an extent.Logical formLearned from2 sentences. (Code transformations) may obscure a correspondence.Logical formLearned from2 sentences. A summit may obscure by clouds.Logical formLearned from2 sentences.