Mr Lopez Obrador has alleged electoral fraud cost him the presidency, despite a recount confirming Felipe Calderon as Mexico's president-elect.
Felipe Calderon beat Mr Lopez Obrador by 10,000 votes.
( z1 beat :ARG0 ( z2 person :name ( z3 name :op "Felipe" :op "Calderon" ) ) :ARG1 ( z4 person :name ( z5 name :op "Mr" :op "Lopez" :op "Obrador" ) ) :ARG2 ( z6 vote :quant 10000 ) )