Confidential information can be about an investigation.Logical formLearned from12 sentences. A (situation report) can be confidential.Logical formLearned from12 sentences. (Government papers) can be confidential.Logical formLearned from12 sentences. Archives can be confidential.Logical formLearned from12 sentences. Details of a case may remain confidential.Logical formLearned from11 sentences. Names may remain confidential.Logical formLearned from11 sentences. A filer can be confidential.Logical formLearned from11 sentences. Some data may be kept confidential.Logical formLearned from11 sentences. A period can be confidential.Logical formLearned from11 sentences. Data may remain confidential.Logical formLearned from11 sentences. Envelopes can be confidential.Logical formLearned from11 sentences. A (government informant) can be confidential.Logical formLearned from11 sentences. Protection can be confidential.Logical formLearned from11 sentences. Confidential information may be involved.Logical formLearned from11 sentences. (Treatment requests) can be confidential.Logical formLearned from11 sentences.