An investigation may pertain-to a male.Logical formLearned from11 738 sentences. An investigation can be thorough.Logical formLearned from8 436 sentences. An investigation may pertain-to persons.Logical formLearned from6 895 sentences. An investigation may pertain-to a government-agency.Logical formLearned from6 803 sentences. An investigation may continue.Logical formLearned from6 206 sentences. An investigation can be formal.Logical formLearned from5 389 sentences. Results may pertain-to an investigation.Logical formLearned from3 967 sentences. An investigation can be under way.Logical formLearned from3 836 sentences. Investigations may pertain-to a male.Logical formLearned from3 202 sentences. An investigation can be international.Logical formLearned from3 183 sentences. An investigation can be ongoing.Logical formLearned from3 022 sentences. An investigation may find that something-is-the-case.Logical formLearned from2 968 sentences. Investigations may pertain-to persons.Logical formLearned from2 693 sentences. An investigation may pertain-to a person.Logical formLearned from2 619 sentences. An investigation may pertain-to a female.Logical formLearned from2 593 sentences.