347751
He played in the NBA for the 76ers , Chicago Bulls , Portland Trail Blazers and Atlanta Hawks and for the Dallas Chaparrals of the ABA .
 76ers, Chicago Bulls, Portland Trail Blazers, Atlanta Hawks, Dallas Chaparrals
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 76ers, Chicago Bulls, Portland Trail Blazers, Atlanta Hawks, Dallas Chaparrals