52599
On 16 September 2015 , he was signed to a try-out contract to attend the reigning Champions in the Chicago Blackhawks , training camp .
 organization: Chicago Blackhawks
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities: Chicago Blackhawks 
Answer:
 organization: Chicago Blackhawks