Black woman can be during some (race riot).Logical formLearned from14 sentences. Thousands of (riot police) may stand guard.Logical formLearned from14 sentences. Hundreds of (riot police) may take_up positions.Logical formLearned from14 sentences. Riots may be sparked by (food prices).Logical formLearned from14 sentences. Prisons may be rocked by riots.Logical formLearned from14 sentences. Groundbreaking may set_off riots.Logical formLearned from14 sentences. Police can be in (riot helmets).Logical formLearned from14 sentences. (Riot police) may undergo a detachment.Logical formLearned from14 sentences. (Riot squads) may sit in buses.Logical formLearned from14 sentences. (Riot police) can be with truncheons.Logical formLearned from14 sentences. Riots may pertain-to miners.Logical formLearned from14 sentences. A (prison riot) can be in history.Logical formLearned from14 sentences. (Riot police) may break_up a march.Logical formLearned from14 sentences. A riot can be at a game.Logical formLearned from14 sentences. Riots can be savage.Logical formLearned from14 sentences.