304658
Liverpool had an option to buy him at the end of this loan deal , which they exercised on the last day of the transfer window , 1 September 2008 . "
 organization: Liverpool
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: Liverpool 
Answer:
 organization: Liverpool