Investigations can be environmental.Logical formLearned from313 sentences. An investigation can be in a country.Logical formLearned from313 sentences. An investigation may be carry_outed.Logical formLearned from311 sentences. An investigation may indicate that something-is-the-case.Logical formLearned from310 sentences. An investigation may be finished.Logical formLearned from310 sentences. A male may call for an investigation.Logical formLearned from307 sentences. An investigation can be informal.Logical formLearned from306 sentences. Stages may pertain-to an investigation.Logical formLearned from305 sentences. An investigation can be into a crash.Logical formLearned from303 sentences. Cases may undergo an investigation.Logical formLearned from303 sentences. A person may undergo an investigation.Logical formLearned from303 sentences. An investigation can be on-site.Logical formLearned from303 sentences. Investigations may be completed.Logical formLearned from302 sentences. Information can be about an investigation.Logical formLearned from301 sentences. A stage may pertain-to an investigation.Logical formLearned from301 sentences.