9449
Washington Monument ( Philadelphia ) ( 1897 ) , by Rudolf Siemering .
 organization: Washington Monument ( Philadelphia ); person: Rudolf Siemering
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:
 organization: Washington Monument ( Philadelphia ); person: Rudolf Siemering