An investigation can be laborious.Logical formLearned from33 sentences. An investigation can be into activity.Logical formLearned from33 sentences. An investigation may pertain-to an airline.Logical formLearned from33 sentences. An investigation can be with a country.Logical formLearned from33 sentences. A ministry may launch an investigation.Logical formLearned from33 sentences. Nuclear scientist may undergo an investigation.Logical formLearned from33 sentences. Prosecutors may reopen an investigation.Logical formLearned from33 sentences. Investigations can be to date.Logical formLearned from33 sentences. A way can be for an investigation.Logical formLearned from33 sentences. Persons may make an investigation.Logical formLearned from33 sentences. An investigation may result in charges.Logical formLearned from33 sentences. An investigation can be into a complaint.Logical formLearned from33 sentences. An investigation can be into shellings.Logical formLearned from33 sentences. An investigation can be by a national-agency.Logical formLearned from33 sentences. Persons can be in a middle of an investigation.Logical formLearned from33 sentences.