Leadership may pertain-to a world-city.Logical formLearned from1 674 sentences. Leadership can be civilian.Logical formLearned from1 586 sentences. A lack can be constituted-of-or-filled-with leadership.Logical formLearned from1 540 sentences. A member may pertain-to leadership.Logical formLearned from1 501 sentences. A change can be in leadership.Logical formLearned from1 442 sentences. Positions can be constituted-of-or-filled-with leadership.Logical formLearned from1 432 sentences. Leadership may pertain-to a US-president.Logical formLearned from1 366 sentences. Leadership can be in a country.Logical formLearned from1 328 sentences. Leadership may pertain-to a president.Logical formLearned from1 248 sentences. Leadership may undergo a change.Logical formLearned from1 201 sentences. Leadership may undergo a failure.Logical formLearned from1 172 sentences. Leadership can be in a legislature.Logical formLearned from1 160 sentences. Leadership can be presidential.Logical formLearned from1 141 sentences. Leadership can be religious.Logical formLearned from1 079 sentences. Leadership can be in a world-city.Logical formLearned from1 037 sentences.