Wal-Mart Stores has asked a US federal appeals court to review a judge's order approving class-action status for a sex-discrimination lawsuit.
Wal-Mart is a serial sex discriminator.
( z1 discriminate :ARG0 ( z2 company :name ( z3 name :op "Wal-Mart" ) ) :ARG1 ( z4 sex ) :mod ( z5 serial ) )