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A student of Nasir al-Din al-Tusi , he is the author of two major works , one on logic , Al-Risala al-Shamsiyya , and one on metaphysics and the natural sciences , Hikmat al - ' Ain .
 person: Nasir al-Din al-Tusi
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: Nasir al-Din al-Tusi 
Answer:
 person: Nasir al-Din al-Tusi