(Charter aircraft) may undergo a use.Logical formLearned from13 sentences. Advocates can be constituted-of-or-filled-with (charter schools).Logical formLearned from13 sentences. A charter may be implemented.Logical formLearned from13 sentences. A moratorium can be on (charter schools).Logical formLearned from13 sentences. Charters may undergo a violation.Logical formLearned from13 sentences. A (city charter) may pertain-to persons.Logical formLearned from13 sentences. A charter can be in a world-city.Logical formLearned from13 sentences. A charter can be with a country.Logical formLearned from13 sentences. A charter may be reviewed.Logical formLearned from13 sentences. A charter may undergo a publication.Logical formLearned from13 sentences. A charter can be broad.Logical formLearned from13 sentences. Principles may pertain-to a charter.Logical formLearned from13 sentences. A charter can be in effect.Logical formLearned from13 sentences. Accord can be with a charter.Logical formLearned from13 sentences. A charter may undergo a termination.Logical formLearned from13 sentences.