World leaders expressed concern on Thursday that North Korea will quit six-party nuclear disarmament talks and will  bolster its nuclear weapons arsenal.
If North Korea quits the nuclear disarmament talks, it will bolster its nuclear weapons arsenal.
There is an implied correlation, but it is not specifically stated.
( z1 bolster :ARG0 ( z2 country :name ( z3 name :op "North" :op "Korea" ) ) :ARG1 ( z4 arsenal :cxnsistof ( z5 weapon :mod ( z6 nucleus ) ) :poss z2 ) :condition ( z7 quit :ARG0 z2 :ARG1 ( z8 talk :ARG1 ( z9 disarm :mod ( z10 nucleus ) ) ) ) )