A siren can be pitched.Logical formLearned from8 sentences. A shrieking can be pitched.Logical formLearned from8 sentences. Vocalizations can be pitched.Logical formLearned from8 sentences. A campaign can be pitched.Logical formLearned from8 sentences. Pitched roofs can be red.Logical formLearned from8 sentences. Legal battles can be pitched.Logical formLearned from8 sentences. A conflict can be pitched.Logical formLearned from8 sentences. Pitched battles can be with gunmen.Logical formLearned from8 sentences. Pitched battles may erupt.Logical formLearned from8 sentences. An attack may provoke a pitched battle with a congress.Logical formLearned from8 sentences. A pitched battle can be constituted-of-or-filled-with rocks.Logical formLearned from8 sentences. Pitched battles can be between (riot police).Logical formLearned from8 sentences. Pitched battles can be in streets of a capital.Logical formLearned from8 sentences. Some persons may be injured in pitched battles.Logical formLearned from8 sentences. Pitched battles may take place.Logical formLearned from8 sentences.