Principal can be for securities.Logical formLearned from2 sentences. A principal can be a user.Logical formLearned from2 sentences. A principal may be based.Logical formLearned from2 sentences. A principal may speak of obstacles.Logical formLearned from2 sentences. An union may pertain-to (school principals).Logical formLearned from2 sentences. Submission can be to a principal.Logical formLearned from2 sentences. A principal may inform a legislature.Logical formLearned from2 sentences. A principal may reply to questions.Logical formLearned from2 sentences. A principal may consult a committee.Logical formLearned from2 sentences. Recommendations may pertain-to a principal.Logical formLearned from2 sentences. A principal may emphasize that something-is-the-case.Logical formLearned from2 sentences. A principal may stress that something-is-the-case.Logical formLearned from2 sentences. A speech may pertain-to principal.Logical formLearned from2 sentences. A principal may recommend appointment.Logical formLearned from2 sentences. (Principal investigator) may work in a US-city.Logical formLearned from2 sentences.