Riots may spread.Logical formLearned from17 sentences. White power can be during riots.Logical formLearned from17 sentences. (Riot police) may cower behind helmets.Logical formLearned from17 sentences. Police may wear (riot helmets).Logical formLearned from17 sentences. A country may endure riots.Logical formLearned from17 sentences. Riots may be organised.Logical formLearned from17 sentences. (Riot police) can be with dogs.Logical formLearned from17 sentences. Riots may be marred.Logical formLearned from17 sentences. Hundreds of (riot police) may be patrolled.Logical formLearned from17 sentences. A male may incite a riot.Logical formLearned from17 sentences. Thousands of (riot police) may be deployed.Logical formLearned from17 sentences. A riot may continue.Logical formLearned from17 sentences. Demonstrators may scuffle with (riot police).Logical formLearned from17 sentences. A news may pertain-to riots.Logical formLearned from17 sentences. (Riot police) may be armed with (steel clubs).Logical formLearned from17 sentences.