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In 1978 the island along with the other islands in Langstone harbour was acquired by the Royal Society for the Protection of Birds who turned it into a bird sanctuary .
 organization: Royal Society for the Protection of Birds
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: Royal Society for the Protection of Birds 
Answer:
 organization: Royal Society for the Protection of Birds