51662
Even professional athletes began performing the dance , including Baltimore Ravens running back Ray Rice after scoring a touchdown during a nationally-televised January 2011 game against the Pittsburgh Steelers .
 Baltimore Ravens, Ray Rice, 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:
 Baltimore Ravens, Ray Rice, Pittsburgh Steelers