A person may vow to a colleague that something-is-the-case.Logical formLearned from2 sentences. An (insurgent group) may vow dark days.Logical formLearned from2 sentences. A communique may vow that something-is-the-case.Logical formLearned from2 sentences. (Opposition leaders) may vow some protest.Logical formLearned from2 sentences. An administration may vow transparency.Logical formLearned from2 sentences. A world-city may vow countermeasures.Logical formLearned from2 sentences. An international-political-entity may vow that something-is-the-case.Logical formLearned from2 sentences. A US-president may vow a break.Logical formLearned from2 sentences. A president may vow a fresh start.Logical formLearned from2 sentences. A (party anthem) may vow that something-is-the-case.Logical formLearned from2 sentences. A president may vow change.Logical formLearned from2 sentences. Leaders may vow in days.Logical formLearned from2 sentences. A person may vow in a communique.Logical formLearned from2 sentences. A coordinator may vow that something-is-the-case.Logical formLearned from2 sentences. A male may vow in a statement.Logical formLearned from2 sentences.