40106
The most sophisticated timekeeping astrolabes were the geared astrolabe mechanisms designed by Abū Rayhān Bīrūnī in the 11th century and by Muhammad ibn Abi Bakr in the 13th century .
 person: Abū Rayhān Bīrūnī; person: Muhammad ibn Abi Bakr
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: Abū Rayhān Bīrūnī, Muhammad ibn Abi Bakr 
Answer:
 person: Abū Rayhān Bīrūnī; person: Muhammad ibn Abi Bakr