(Riot police) may wage pitched battles with thousands of protesters.Logical formLearned from2 sentences. Pitched battles can be into hours.Logical formLearned from2 sentences. A pitched battle can be with hostage-takers.Logical formLearned from2 sentences. Units may fight a pitched battle.Logical formLearned from2 sentences. A no-hitter can be pitched.Logical formLearned from2 sentences. An attempt may escalate into a pitched battle.Logical formLearned from2 sentences. Some commanders may wage pitched battles.Logical formLearned from2 sentences. Pitched battles may begin.Logical formLearned from2 sentences. Supporters may fight pitched battles.Logical formLearned from2 sentences. A focus of an effort can be a pitched battle.Logical formLearned from2 sentences. Police may fight hours of pitched battles with firebombs.Logical formLearned from2 sentences. A pitched battle can be with eggs.Logical formLearned from2 sentences. Groups of visitors may be square_offed for a pitched battle.Logical formLearned from2 sentences. Protests may devolve into pitched battles.Logical formLearned from2 sentences. A pitched battle can be over an initiative.Logical formLearned from2 sentences.