A brother of Colombia's education minister has been killed by Marxist rebels who kidnapped him three years ago.
The brother was killed three years ago.
The system knew he was killed but only knew of the timing of the kidnapping.
( z1 kill :ARG1 ( z2 person :ARG0-of ( z3 have-rel-role :ARG2 ( z4 brother ) ) ) :time ( z5 before :op ( z6 now ) :quant ( z7 temporal-quantity :quant 3 :unit ( z8 year ) ) ) )