85725
On 21 October 2011 , it was announced that he had signed for Thurrock .
 organization: Thurrock
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: Thurrock 
Answer:
 organization: Thurrock