A legal system can be opaque.Logical formLearned from19 sentences. Identifiers can be opaque.Logical formLearned from19 sentences. A glass can be opaque.Logical formLearned from18 sentences. Keys can be opaque.Logical formLearned from18 sentences. An accounting can be opaque.Logical formLearned from18 sentences. The universe can be opaque.Logical formLearned from18 sentences. A medium can be opaque.Logical formLearned from18 sentences. A government can be opaque.Logical formLearned from18 sentences. An ink can be opaque.Logical formLearned from18 sentences. Regulations can be opaque.Logical formLearned from18 sentences. A tape can be opaque.Logical formLearned from18 sentences. A finish can be opaque.Logical formLearned from17 sentences. A stop can be opaque.Logical formLearned from17 sentences. Shrimp can be opaque.Logical formLearned from17 sentences. A mass can be opaque.Logical formLearned from17 sentences.