6443
'' Ottoman Empire '' ' – Murad II , Ottoman Sultan ( 1421–1451 )
 location: Ottoman Empire; person: Murad II; organization: Ottoman Sultan
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:
 location: Ottoman Empire; person: Murad II; organization: Ottoman Sultan