Investigators can be competent.Logical formLearned from33 sentences. Investigators may be detailed.Logical formLearned from33 sentences. Investigators can be in some countries.Logical formLearned from33 sentences. Persons can be investigators.Logical formLearned from33 sentences. Investigators may follow leads.Logical formLearned from33 sentences. Investigators may find_out that something-is-the-case.Logical formLearned from33 sentences. Investigators may look into an incident.Logical formLearned from32 sentences. Investigators may point_out that something-is-the-case.Logical formLearned from32 sentences. Investigators may prove that something-is-the-case.Logical formLearned from32 sentences. Investigators can be in a continent.Logical formLearned from32 sentences. Principal investigator can be on a study.Logical formLearned from32 sentences. Investigators may be seen.Logical formLearned from32 sentences. Investigators may tell a female.Logical formLearned from32 sentences. Investigators of a (train wreck) may look into reports.Logical formLearned from32 sentences. A witness may tell investigators.Logical formLearned from32 sentences.