A male may cooperate with investigators.Logical formLearned from251 sentences. A person can be an investigator.Logical formLearned from249 sentences. Investigators may say that something-is-the-case.Logical formLearned from249 sentences. Investigators can be experienced.Logical formLearned from248 sentences. A doctor can be a principal investigator.Logical formLearned from240 sentences. Investigators may pertain-to a US-city.Logical formLearned from239 sentences. Investigators can be in a US-city.Logical formLearned from239 sentences. Investigators can be egyptian.Logical formLearned from237 sentences. Investigators may look into a possibility.Logical formLearned from233 sentences. Investigators can be from a safety-board.Logical formLearned from230 sentences. Investigators may arrive.Logical formLearned from230 sentences. Investigators may be determined.Logical formLearned from227 sentences. Investigators may learn.Logical formLearned from224 sentences. Investigators can be sure.Logical formLearned from223 sentences. Investigators may pertain-to a company.Logical formLearned from222 sentences.