A face may be obscured by a black box.Logical formLearned from2 sentences. An area may be obscured by cloud.Logical formLearned from2 sentences. A fog may obscure a top of a mountain.Logical formLearned from2 sentences. Figures may obscure (performance trends).Logical formLearned from2 sentences. An influence of energy may obscure a fact.Logical formLearned from2 sentences. Language may obscure grievances.Logical formLearned from2 sentences. Hats may obscure faces.Logical formLearned from2 sentences. Controversies may obscure support.Logical formLearned from2 sentences. Performance may obscure dangers.Logical formLearned from2 sentences. A male may obscure an issue.Logical formLearned from2 sentences. Safeguards can be as obscurring faces.Logical formLearned from2 sentences. Faces may be obscured by pixelation.Logical formLearned from2 sentences. A threat may be obscured by a crisis.Logical formLearned from2 sentences. Sounds may be obscured by a din of (cockpit alarms).Logical formLearned from2 sentences. Faces may be obscured by sunglasses.Logical formLearned from2 sentences.