An outbreak can be constituted-of-or-filled-with riots.Logical formLearned from18 sentences. An ouster of a leader of a political party may trigger riots.Logical formLearned from18 sentences. A riot can be in progress.Logical formLearned from18 sentences. A riot can be urban.Logical formLearned from18 sentences. A teenager may spark riots.Logical formLearned from18 sentences. Riots can be in greek cities.Logical formLearned from18 sentences. Roles can be in riots.Logical formLearned from18 sentences. (Riot police) may clear a (refugee encampment).Logical formLearned from18 sentences. (Street riots) may kill some persons.Logical formLearned from18 sentences. Police may wield (riot shields).Logical formLearned from18 sentences. Memories may pertain-to riots.Logical formLearned from18 sentences. Anger may spark riots.Logical formLearned from18 sentences. Riots can be uncommon.Logical formLearned from18 sentences. An end may pertain-to riots.Logical formLearned from18 sentences. Part can be in a riot.Logical formLearned from18 sentences.