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From 1857 to 1935 , it was known as Unger 's Store until March 31 , 1950 ( see image ) its name was then shortened to Unger on April 1 , 1950 ( see image ) .
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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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