(Charter flights) may begin.Logical formLearned from12 sentences. (Charter schools) can be accountable.Logical formLearned from12 sentences. A (campaign charter) may pertain-to a US-president.Logical formLearned from12 sentences. An increase can be in a number of (charter schools).Logical formLearned from12 sentences. A king may issue a charter.Logical formLearned from12 sentences. A charter can be open.Logical formLearned from12 sentences. A charter can be attractive.Logical formLearned from12 sentences. A charter may pertain-to an alliance.Logical formLearned from12 sentences. An application can be for a charter.Logical formLearned from12 sentences. An university may receive a charter.Logical formLearned from12 sentences. Some countries may ratify a charter.Logical formLearned from12 sentences. A charter may pertain-to persons.Logical formLearned from12 sentences. A charter may undergo an introduction.Logical formLearned from12 sentences. A charter may pertain-to a corporation.Logical formLearned from12 sentences. (Charter passenger flights) can be for holidays.Logical formLearned from12 sentences.