7415
The game was compatible with Sonic & Knuckles , which possessed a " lock-on " feature which allowed the player to play as Knuckles the Echidna .
 organization: Sonic
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: Sonic