A call can be confidential.Logical formLearned from12 sentences. A notice can be confidential.Logical formLearned from12 sentences. A world can be confidential.Logical formLearned from12 sentences. A fax can be confidential.Logical formLearned from12 sentences. Information can be about confidential sources.Logical formLearned from12 sentences. Conversations can be with a confidential source.Logical formLearned from12 sentences. Confidential information can be about a company.Logical formLearned from12 sentences. A male can be a confidential source.Logical formLearned from12 sentences. A formula can be confidential.Logical formLearned from12 sentences. Co-operation can be confidential.Logical formLearned from12 sentences. Processes can be confidential.Logical formLearned from12 sentences. A (client list) can be confidential.Logical formLearned from12 sentences. A secret can be confidential.Logical formLearned from12 sentences. A copy may pertain-to a confidential report.Logical formLearned from12 sentences. Plans may remain confidential.Logical formLearned from12 sentences.