A (security threat) may obscure importance of human rights.Logical formLearned from3 sentences. A person may obscure a fact.Logical formLearned from3 sentences. A (dust storm) may obscure a globe of a planet.Logical formLearned from3 sentences. Training may obscure that something-is-the-case.Logical formLearned from3 sentences. An agency may obscure a meaning of regulations by placing requirements.Logical formLearned from3 sentences. A trend may obscure increases.Logical formLearned from3 sentences. A country of (origin notification) may obscure information.Logical formLearned from3 sentences. A layer of clouds may obscure views of a (lava dome).Logical formLearned from3 sentences. Clouds may obscure observation of a volcano.Logical formLearned from3 sentences. Clouds may obscure a mountain.Logical formLearned from3 sentences. Clouds may obscure views of a crater.Logical formLearned from3 sentences. Dust may obscure stars.Logical formLearned from3 sentences. A dark cloud may obscure a night.Logical formLearned from3 sentences. A vice of drunkenness may obscure faculties.Logical formLearned from3 sentences. A female may obscure windows.Logical formLearned from3 sentences.