Screens can be opaque.Logical formLearned from4 sentences. (Authentication parameters) can be opaque.Logical formLearned from4 sentences. Glass can be opaque.Logical formLearned from4 sentences. Decision-making can be opaque.Logical formLearned from4 sentences. Negotiations can be opaque.Logical formLearned from4 sentences. (Party politics) can be opaque.Logical formLearned from4 sentences. A political system may remain opaque.Logical formLearned from4 sentences. (Scheduling practices) can be opaque.Logical formLearned from4 sentences. A pall can be opaque.Logical formLearned from4 sentences. A relationship can be opaque.Logical formLearned from4 sentences. A financial system can be opaque.Logical formLearned from4 sentences. A wine can be opaque.Logical formLearned from4 sentences. Clouds can be opaque that something-is-the-case.Logical formLearned from4 sentences. A message can be opaque.Logical formLearned from4 sentences. A mechanism may remain opaque.Logical formLearned from4 sentences.