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The protesters , many carrying signs or wearing red headbands and vests with slogans such as ` ` Fight ' ' and ` ` Solidarity ' ' printed on them , chanted and pumped their fists in the air .
 The protesters , many carrying signs or wearing red headbands and vests with slogans such as ` ` Fight ' ' and ` ` Solidarity ' ' printed on them, many, their
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: geographical social political, organization, person, location, facility, vehicle, weapon 
Text: {0} 
Answer:
 The protesters , many carrying signs or wearing red headbands and vests with slogans such as ` ` Fight ' ' and ` ` Solidarity ' ' printed on them, many, their