(Riot police) may club.Logical formLearned from14 sentences. Some persons may be involved in riots.Logical formLearned from14 sentences. (Riot police) may block a path.Logical formLearned from14 sentences. Prices may spark riots.Logical formLearned from14 sentences. (Riot police) may be armed with grenades.Logical formLearned from14 sentences. Conditions may lead to riots.Logical formLearned from14 sentences. A (death toll) can be in riots.Logical formLearned from14 sentences. Officers may be dressed in (riot gear).Logical formLearned from14 sentences. Riots can be on streets.Logical formLearned from14 sentences. A riot can be by prisoners.Logical formLearned from14 sentences. Riots may break_out in a city.Logical formLearned from14 sentences. (Riot police) may wield truncheons.Logical formLearned from14 sentences. Protests may escalate into riots.Logical formLearned from13 sentences. Riots can be in protest.Logical formLearned from13 sentences. Riots can be violent.Logical formLearned from13 sentences.