Task: Question Generation
Input (English): Context : The Trusina killings occurred on 16 April 1993 in the village of Trusina, located in the municipality of Konjic in Bosnia and Herzegovina, where 22 people, four Croat soldiers and 18 Croat civilians, were killed by the Army of the Republic of Bosnia and Herzegovina (ARBiH) during the Croat-- 
Subject : Trusina killings 
Relation : point in time
Output (English): When did Trusina killings occurr?