Assertion: populace's leader | /r/CapableOf | die in moscow
Facets:
value: from a heart attack
type: CAUSE
value: suddenly
type: MANNER
Source sentences:
text: The leader (First Secretary) of the Polish Communist party, (PZPR), Bolesław Bierut, suddenly died in Moscow during the 20th Congress of CPSU in March, probably from a heart attack.