1938
History In 1984 , the independent F.C. Seattle hosted the F.C. Seattle Challenge which included several North American Soccer League teams .
 organization: F.C. Seattle; organization: F.C. Seattle; organization: North American Soccer League
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: F.C. Seattle; organization: F.C. Seattle; organization: North American Soccer League