(World leaders) may vow action.Logical formLearned from3 sentences. (World leaders) may vow at a (weekend summit).Logical formLearned from3 sentences. A US-president may vow an offensive.Logical formLearned from3 sentences. A Spanish government may vow an investigation.Logical formLearned from3 sentences. Banners may vow that something-is-the-case.Logical formLearned from3 sentences. A country may vow a response to an aggression.Logical formLearned from3 sentences. A president may vow a reshuffle of aides.Logical formLearned from3 sentences. A female may vow in an interview.Logical formLearned from3 sentences. A person may vow to persons of a country that something-is-the-case.Logical formLearned from3 sentences. Maoist may vow that something-is-the-case.Logical formLearned from3 sentences. A country may vow skies.Logical formLearned from3 sentences. Some hamas may vow revenge.Logical formLearned from3 sentences. Groups may vow a series of protests.Logical formLearned from3 sentences. A male may vow in a (victory speech).Logical formLearned from3 sentences. Al-maliki may vow a decisive battle.Logical formLearned from3 sentences.