A stop may obscure at a time of an accident.Logical formLearned from2 sentences. (Ground waves) may obscure meters of (reflection records).Logical formLearned from2 sentences. Some urbanization may obscure some features.Logical formLearned from2 sentences. Haze may obscure views.Logical formLearned from2 sentences. A campaign may obscure a face of a tyranny.Logical formLearned from2 sentences. Clouds may obscure some targets.Logical formLearned from2 sentences. A view may obscure by a pillar.Logical formLearned from2 sentences. Skin may obscure plates.Logical formLearned from2 sentences. Winds may obscure (road visibility).Logical formLearned from2 sentences. A painting may be obscured by a piece of (metal scaffolding).Logical formLearned from2 sentences. A green may be obscured by a ridge.Logical formLearned from2 sentences. An opening may be obscured by vegetation.Logical formLearned from2 sentences. An incident may obscure a support.Logical formLearned from2 sentences. Eyes may be obscured by shades.Logical formLearned from2 sentences. A body may be obscured by a black box.Logical formLearned from2 sentences.