Gunmen loyal to Bosnian Serb nationalist leader Radovan Karadzic conquered 70% of Bosnia with their arsenal of tanks, aircraft and howitzers bequeathed by the Yugoslav army.
Bosnia was annexed by Russia in 1940
It mentions absolutely nothing about Russia in this prompt. I think the system got it wrong because I mentioned a country not in the original context
( z1 annex :ARG0 ( z2 country :name ( z3 name :op "Russia" ) ) :ARG1 ( z4 country :name ( z5 name :op "Bosnia" ) ) :time ( z6 date-entity :year 1940 ) )