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After appearing in eight games with the Steelers in 1990 , he was left unprotected by the team under Plan B free agency and was signed by the Kansas City Chiefs .
 organization: Steelers; organization: Kansas City Chiefs
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: Steelers; organization: Kansas City Chiefs