Principal may announce a retirement.Logical formLearned from4 sentences. (Vice principal) can be at a college.Logical formLearned from4 sentences. A man may be appointed as a principal of a school.Logical formLearned from4 sentences. A woman can be as principal.Logical formLearned from4 sentences. A male can be assistant principals.Logical formLearned from4 sentences. A role can be as a principal.Logical formLearned from4 sentences. Principal can be in a company.Logical formLearned from4 sentences. A retirement can be as principal.Logical formLearned from4 sentences. Principal can be in a US-city.Logical formLearned from4 sentences. A problem may pertain-to a principal.Logical formLearned from4 sentences. Schools may be headed by principals.Logical formLearned from4 sentences. A principal may be guaranteed by a government.Logical formLearned from4 sentences. A (principal chief) can be female.Logical formLearned from4 sentences. (Team principal) may pertain-to a (racing team).Logical formLearned from4 sentences. A (principal teacher) may pertain-to a male.Logical formLearned from4 sentences.