Riots may take place.Logical formLearned from213 sentences. A riot can be violent.Logical formLearned from211 sentences. Riots may break_out.Logical formLearned from209 sentences. Riots can be in a world-city.Logical formLearned from200 sentences. Riots may pertain-to a male.Logical formLearned from195 sentences. A riot may break_out.Logical formLearned from194 sentences. Connection can be with riots.Logical formLearned from193 sentences. An aftermath may pertain-to riots.Logical formLearned from186 sentences. Riots can be serious.Logical formLearned from183 sentences. Clashes can be between (riot police).Logical formLearned from176 sentences. Riots can be in a US-city.Logical formLearned from174 sentences. Riots may start.Logical formLearned from174 sentences. A riot may pertain-to a male.Logical formLearned from171 sentences. (Police officers) can be in (riot gear).Logical formLearned from161 sentences. A riot may begin.Logical formLearned from156 sentences.