Banning ivory is the surest road to extinction for the African elephant, argue leaders in those countries.
The African elephant will benefit from ivory staying legal. 
( z1 benefit :ARG0 ( z2 stay :ARG1 ( z3 ivory ) :ARG3 ( z4 legal :ARG1 z3 ) ) :ARG1 ( z5 elephant :location ( z6 continent :name ( z7 name :op "Africa" ) ) ) )