Investigations can be long-term.Logical formLearned from83 sentences. Officials may begin an investigation.Logical formLearned from83 sentences. Investigation may begin.Logical formLearned from83 sentences. An investigation may pertain-to an university.Logical formLearned from83 sentences. An investigation may pertain-to an (inspector general).Logical formLearned from83 sentences. Investigations can be by a legislature.Logical formLearned from83 sentences. An investigation may undergo reopenings.Logical formLearned from83 sentences. Investigations may conclude.Logical formLearned from82 sentences. An investigation can be by a newspaper.Logical formLearned from82 sentences. A background may undergo an investigation.Logical formLearned from82 sentences. A raid may undergo an investigation.Logical formLearned from82 sentences. A world-city may launch an investigation.Logical formLearned from82 sentences. A head may pertain-to an (investigation team).Logical formLearned from82 sentences. An investigation can be into a leak.Logical formLearned from81 sentences. An investigation can be into a program.Logical formLearned from81 sentences.