4910
Because of the need for labor in the mills , immigrants arrived from Russia , Norway , Finland , Italy , Sweden , Ireland , and Germany .
 location: Russia; location: Norway; location: Finland; location: Italy; location: Sweden; location: Ireland; location: Germany
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: Russia; location: Norway; location: Finland; location: Italy; location: Sweden; location: Ireland; location: Germany