A brother of Colombia's education minister has been killed by Marxist rebels who kidnapped him three years ago.
The brother of the education minister was not killed by Marxist rebels.
The education minister was killed by Marxist rebels not his brother.
( z1 kill :polarity - :ARG0 ( z2 person :ARG0-of ( z3 rebel ) :mod ( z4 political-movement :name ( z5 name :op "Marxism" ) ) ) :ARG1 ( z6 person :ARG0-of ( z7 have-rel-role :ARG1 ( z8 person :ARG0-of ( z9 have-org-role :ARG2 ( z10 minister :topic ( z11 educate ) ) ) ) :ARG2 ( z12 brother ) ) ) )