46454
He is also primarily a Chicago Bears football fan in the NFL , but in his childhood and adolescence was a fan of the Pittsburgh Steelers , and rooted for them ahead of their victory in Super Bowl XLIII 12 days after he took office as president .
 Chicago Bears, NFL, Pittsburgh Steelers
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Chicago Bears, NFL, Pittsburgh Steelers