Investigations can be successful.Logical formLearned from119 sentences. An investigation may lead.Logical formLearned from119 sentences. An investigation can be by an (attorney general).Logical formLearned from118 sentences. An investigation can be flawed.Logical formLearned from118 sentences. An investigation can be into an affair.Logical formLearned from118 sentences. An investigation can be unprecedented.Logical formLearned from118 sentences. An investigation can be into an issue.Logical formLearned from117 sentences. Head may pertain-to an investigation.Logical formLearned from117 sentences. Investigations can be mathematical.Logical formLearned from117 sentences. A company may undergo investigations.Logical formLearned from117 sentences. An investigation can be in a US-city.Logical formLearned from117 sentences. Investigation can be into an incident.Logical formLearned from116 sentences. Investigations may pertain-to a legislature.Logical formLearned from116 sentences. Persons can be with knowledge of an investigation.Logical formLearned from116 sentences. A topic may undergo an investigation.Logical formLearned from116 sentences.