A key can be to an investigation.Logical formLearned from19 sentences. Investigations can be explosive.Logical formLearned from19 sentences. A war may undergo investigations.Logical formLearned from19 sentences. An end may pertain-to a criminal investigation.Logical formLearned from19 sentences. Persons may complete an investigation.Logical formLearned from19 sentences. An investigation can be into links.Logical formLearned from19 sentences. An office can be in_charge_of an investigation.Logical formLearned from19 sentences. Authorities may handle an investigation.Logical formLearned from19 sentences. Criminal investigation can be for murder.Logical formLearned from19 sentences. Persons may brief on an investigation.Logical formLearned from19 sentences. Leaders may undergo investigations.Logical formLearned from19 sentences. Investigations may produce evidence.Logical formLearned from19 sentences. Investigations can be by a government-agency.Logical formLearned from19 sentences. Connection can be with a (bribery investigation).Logical formLearned from19 sentences. An investigation can be into contracts.Logical formLearned from19 sentences.