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Zemax is a widely-used optical design program sold by Radiant Zemax , LLC of Redmond , Washington ( formerly ZEMAX Development Corp. and Focus Software ) .
 location: Redmond , Washington
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 location: Redmond , Washington