Task: Question Generation
Input (English): Context : Kujava Radinović was the second wife of King Stephen Ostoja of Bosnia and as such she was Queen of Bosnia from 1399 to 1404 and again from 1409 to 1415. 
Subject : Kujava Radinović 
Relation : spouse
Output (English): What is Kujava Radinović's spouse's name?