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Van Brosterhuysen made a number of important friends , including people such as the humanist and theologian Caspar Barlaeus and poet P. C. Hooft , and especially Huygens , a poet and composer and secretary to princes of the House of Orange : In 1634 , he was able to cure ( perhaps with a botanical remedy ) Huygens 's wife of kidney stones , and a Latin poem by Huygens dated 1627 thanks Brosterhuysen for advising him on horticultural matters .
 person: Caspar Barlaeus; person: P. C. Hooft; person: Huygens; person: Huygens; person: Huygens
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: Caspar Barlaeus, P. C. Hooft, Huygens, Huygens, Huygens 
Answer:
 person: Caspar Barlaeus; person: P. C. Hooft; person: Huygens; person: Huygens; person: Huygens