Contamination may undergo an investigation.Logical formLearned from29 sentences. A person may promise an investigation.Logical formLearned from29 sentences. A commission may launch an investigation.Logical formLearned from29 sentences. A war may undergo an investigation.Logical formLearned from29 sentences. Some line can be constituted-of-or-filled-with investigation.Logical formLearned from29 sentences. An investigation can be into an allegation.Logical formLearned from29 sentences. An investigation can be into reasons.Logical formLearned from29 sentences. Cooperation can be in investigations.Logical formLearned from29 sentences. An investigation can be into claims.Logical formLearned from29 sentences. Persons can be aware of an investigation.Logical formLearned from29 sentences. Investigations may pertain-to a weekday.Logical formLearned from28 sentences. A military may conduct an investigation.Logical formLearned from28 sentences. An investigation can be into facts.Logical formLearned from28 sentences. An investigation can be quiet.Logical formLearned from28 sentences. Participation can be in an investigation.Logical formLearned from28 sentences.