An investigation may undergo a stonewalling.Logical formLearned from15 sentences. An investigation can be sincere.Logical formLearned from15 sentences. Investigation can be for (drug trafficking).Logical formLearned from15 sentences. An investigation can be sexual.Logical formLearned from15 sentences. An investigation can be into extremism.Logical formLearned from15 sentences. Police may begin a criminal investigation.Logical formLearned from15 sentences. Persons may undertake an investigation.Logical formLearned from15 sentences. Patients may undergo an investigation.Logical formLearned from15 sentences. A US-president may demand an investigation.Logical formLearned from15 sentences. Some senators may ask for an investigation.Logical formLearned from15 sentences. An investigation can be into (stock options).Logical formLearned from15 sentences. Dismissals may undergo an investigation.Logical formLearned from15 sentences. An investigation can be bizarre.Logical formLearned from15 sentences. An investigation can be into (voting irregularities).Logical formLearned from15 sentences. A company may cooperate with an investigation.Logical formLearned from15 sentences.