An investigator may confirm that something-is-the-case.Logical formLearned from23 sentences. An investigator can be in a country.Logical formLearned from23 sentences. Investigators may identify a male.Logical formLearned from23 sentences. Investigators may discover evidence.Logical formLearned from23 sentences. Investigators may rule_out foul play.Logical formLearned from23 sentences. A female may be convicted of lying to investigators.Logical formLearned from23 sentences. A male may lie to investigators.Logical formLearned from23 sentences. Information may be gathered by investigators.Logical formLearned from23 sentences. Notes may pertain-to investigators.Logical formLearned from23 sentences. Clues can be to investigators.Logical formLearned from23 sentences. Investigators may return from questioning a male.Logical formLearned from23 sentences. Work may pertain-to investigators.Logical formLearned from23 sentences. A theory may pertain-to investigators.Logical formLearned from23 sentences. Investigators may undergo assistance.Logical formLearned from23 sentences. A crewman may tell investigators.Logical formLearned from23 sentences.