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They took place in multiple venues in the Pine Avenue area of Downtown Long Beach , including the gallery-café-performance space System M , a restaurant called Mum ’s , and multiple gallery spaces on Pine Avenue , Broadway , and Third Street in Downtown Long Beach .
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Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
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