Protesters may force a cancellation of a summit.Logical formLearned from9 sentences. Calls can be by protesters.Logical formLearned from9 sentences. A presidential guard may open fire on (opposition protesters).Logical formLearned from9 sentences. An ultimatum can be by thousands of protesters.Logical formLearned from9 sentences. Some protesters may arrive.Logical formLearned from9 sentences. Protesters may accuse an administration.Logical formLearned from9 sentences. Protesters may storm a terminal.Logical formLearned from9 sentences. Protesters may force a closure of an international airport.Logical formLearned from9 sentences. Protesters may seize an airport.Logical formLearned from9 sentences. Protesters may ignore warnings.Logical formLearned from9 sentences. Protesters may storm a seat of government.Logical formLearned from9 sentences. Protesters may sing songs.Logical formLearned from9 sentences. Protesters may block a thoroughfare.Logical formLearned from9 sentences. (Security forces) may shoot at protesters.Logical formLearned from9 sentences. Protesters may rise_up against rule.Logical formLearned from9 sentences.