A father may serve as principal of a school.Logical formLearned from2 sentences. A responsibility of a day may be vested in a principal.Logical formLearned from2 sentences. A (team principal) can be successful.Logical formLearned from2 sentences. An assistant principal may pertain-to an academy.Logical formLearned from2 sentences. A professor may serve as principal of a college.Logical formLearned from2 sentences. A result may pertain-to a principal.Logical formLearned from2 sentences. A principal may pertain-to firm.Logical formLearned from2 sentences. Some schools may be united under leadership of a principal.Logical formLearned from2 sentences. Principals may pertain-to an art.Logical formLearned from2 sentences. A principal may pertain-to a center.Logical formLearned from2 sentences. A (training school) may pertain-to a (principal officer).Logical formLearned from2 sentences. Principal may pertain-to a (music school).Logical formLearned from2 sentences. Principal may spare himself.Logical formLearned from2 sentences. A male may be promoted to a position of principal.Logical formLearned from2 sentences. A female can be a principal of school.Logical formLearned from2 sentences.