Riots may pertain-to a month.Logical formLearned from463 sentences. A riot may pertain-to a weekday.Logical formLearned from461 sentences. Riots may erupt.Logical formLearned from452 sentences. Riots may pertain-to a weekday.Logical formLearned from436 sentences. (Riot police) can be helmeted.Logical formLearned from427 sentences. A riot may break_out.Logical formLearned from388 sentences. A series can be constituted-of-or-filled-with riots.Logical formLearned from387 sentences. Riots may pertain-to year.Logical formLearned from380 sentences. Officers can be in (riot gear).Logical formLearned from374 sentences. Riots can be urban.Logical formLearned from373 sentences. Dozens can be constituted-of-or-filled-with (riot police).Logical formLearned from372 sentences. Conspiracy can be to riot.Logical formLearned from348 sentences. Clashes can be with (riot police).Logical formLearned from338 sentences. Riots can be in a country.Logical formLearned from333 sentences. A riot may pertain-to a US-city.Logical formLearned from311 sentences.