5509
The greatest surprises of the 2005 season were the great performance of IK Start , promoted to the Premier League in the 2004 season and ended up winning silver , and the disappointing performance of Rosenborg BK which fought against relegation from the Premier League after winning it for 13 straight seasons .
 organization: IK Start; organization: Rosenborg BK
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: IK Start; organization: Rosenborg BK