Foes may vow revenge.Logical formLearned from4 sentences. Traditional leaders may vow a battle.Logical formLearned from4 sentences. A wedding may vow a chink.Logical formLearned from4 sentences. An industry may vow that something-is-the-case.Logical formLearned from4 sentences. A spokeswoman may vow that something-is-the-case.Logical formLearned from4 sentences. A male may vow a charge.Logical formLearned from4 sentences. A leader may vow a fight to a death.Logical formLearned from4 sentences. Radicals may vow vengeance.Logical formLearned from4 sentences. A scientist may vow that something-is-the-case.Logical formLearned from4 sentences. Official may vow that something-is-the-case.Logical formLearned from4 sentences. (Settler leaders) may vow a (lobbying fight).Logical formLearned from4 sentences. Candidates may vow that something-is-the-case.Logical formLearned from4 sentences. Builders may vow that something-is-the-case.Logical formLearned from4 sentences. Partners may vow legal action.Logical formLearned from4 sentences. A president may vow a veto.Logical formLearned from4 sentences.