Riots can be on a month.Logical formLearned from31 sentences. A scene may pertain-to riots.Logical formLearned from31 sentences. Riots may pertain-to a person.Logical formLearned from31 sentences. A riot can be full-fledged.Logical formLearned from31 sentences. A riot may end.Logical formLearned from31 sentences. Riots may last some days.Logical formLearned from31 sentences. A riot may pertain-to workers.Logical formLearned from31 sentences. (Riot police) may beat.Logical formLearned from31 sentences. Some (riot police) may be surrounded.Logical formLearned from31 sentences. A contingent can be constituted-of-or-filled-with (riot police).Logical formLearned from31 sentences. Riots may erupt in a capital.Logical formLearned from31 sentences. Battles can be between (riot police).Logical formLearned from31 sentences. Riots may ensue.Logical formLearned from30 sentences. (Race riots) can be in a US-city.Logical formLearned from30 sentences. A riot may start.Logical formLearned from30 sentences.