Task: Question Answering
Input (English): Context : Gongyang of Goryeo (9 March 1345 - 17 May 1394, r. 1389 -- 1392) was the 34th and final ruler of the Goryeo dynasty of Korea. 
Question : When did the life of Gongyang of Goryeo end?
Output (English): 17 May 1394