An investigation can be into a blaze.Logical formLearned from53 sentences. An investigation can be by a commission.Logical formLearned from53 sentences. An investigation can be into bombings.Logical formLearned from53 sentences. An investigation can be important.Logical formLearned from53 sentences. An investigation can be serious.Logical formLearned from53 sentences. Investigations can be rigorous.Logical formLearned from52 sentences. A criminal investigation can be in history.Logical formLearned from52 sentences. Support can be for an investigation.Logical formLearned from52 sentences. A criminal investigation can be by an office.Logical formLearned from52 sentences. A report may be based on an investigation.Logical formLearned from52 sentences. A matter can be constituted-of-or-filled-with investigation.Logical formLearned from52 sentences. An investigation may uncover evidence.Logical formLearned from52 sentences. A criminal investigation can be by a judge.Logical formLearned from52 sentences. Processes may undergo an investigation.Logical formLearned from52 sentences. A person may request an investigation.Logical formLearned from52 sentences.