86951
Euler believed the conjecture but could not prove that π was irrational , and it is speculated that Aryabhata also believed this , in 500 CE .
 person: Euler; person: Aryabhata
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: Euler, Aryabhata 
Answer:
 person: Euler; person: Aryabhata