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On 30 December 2019 , Sparta Rotterdam announced that he would be joining the club the following month , and he eventually signed a contract until June 2021 with the option of one more year .
 organization: Sparta Rotterdam
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
 Entities: Sparta Rotterdam 
Answer:
 organization: Sparta Rotterdam