Riots may pertain-to night.Logical formLearned from20 sentences. Riots can be over a (police shooting) of a black man.Logical formLearned from20 sentences. Persons may have riots.Logical formLearned from20 sentences. Persons can be firm with riots.Logical formLearned from20 sentences. (Riot squads) can be armed.Logical formLearned from20 sentences. Riots may kill hundreds of persons.Logical formLearned from20 sentences. A riot can be at a (soccer match).Logical formLearned from20 sentences. Some (riot police) may stand.Logical formLearned from20 sentences. Riots can be across the world.Logical formLearned from20 sentences. Protestors may clash with (riot police).Logical formLearned from20 sentences. (Sectarian riots) can be deadly.Logical formLearned from20 sentences. Riots can be in a province.Logical formLearned from20 sentences. Riots may be triggered by an attack.Logical formLearned from20 sentences. Riots can be around the world.Logical formLearned from19 sentences. A riot may occur on a month.Logical formLearned from19 sentences.