Principals may be surveyed.Logical formLearned from12 sentences. A principal can be simple.Logical formLearned from12 sentences. Principals may undergo an application.Logical formLearned from12 sentences. Presence may pertain-to a principal.Logical formLearned from12 sentences. A principal may undergo a selection.Logical formLearned from12 sentences. Principals may spend.Logical formLearned from12 sentences. A person may have a principal.Logical formLearned from12 sentences. Principals may undergo a training.Logical formLearned from12 sentences. (Principal investigators) may pertain-to a government-agency.Logical formLearned from12 sentences. A principal can be payable.Logical formLearned from12 sentences. A person may have principals.Logical formLearned from12 sentences. A principal may play a role.Logical formLearned from12 sentences. Principals may pertain-to a world-city.Logical formLearned from12 sentences. Principals may make.Logical formLearned from12 sentences. Premises may pertain-to a principal.Logical formLearned from12 sentences.