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In May 2015 it came under the umbrella of Springer Nature , by the merger of Springer Science + Business Media and Holtzbrinck Publishing Group 's Nature Publishing Group , Palgrave Macmillan , and Macmillan Education .
 organization: Springer Nature; organization: Springer Science + Business Media; organization: Holtzbrinck Publishing Group; organization: Nature Publishing Group; organization: Palgrave Macmillan; organization: Macmillan Education
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 organization: Springer Nature; organization: Springer Science + Business Media; organization: Holtzbrinck Publishing Group; organization: Nature Publishing Group; organization: Palgrave Macmillan; organization: Macmillan Education