5446
Biography Ibn Yazdad 's family originally came from the city of Marw in Khurasan ; his great-grandfather was a Zoroastrian convert to Islam .
 location: Marw; location: Khurasan
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: Marw; location: Khurasan