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at a nader rally in madison square garden , 15 , 000 people joined actors tim robbins , susan sarandon and other stars to hear his message - - that average americans are powerless .
 person: nader; person: 15 , 000 people; person: actors; person: actors tim robbins; person: susan sarandon; person: other stars; person: his; person: average americans; facility: madison square garden
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: geographical social political, organization, person, location, facility, vehicle, weapon 
Text: {0} 
Answer:
 person: nader; person: 15 , 000 people; person: actors; person: actors tim robbins; person: susan sarandon; person: other stars; person: his; person: average americans; facility: madison square garden