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.
The US has a federal appeals court.
( z1 have :ARG0 ( z2 country :name ( z3 name :op "US" ) ) :ARG1 ( z4 court :ARG2-of ( z5 appeal ) :mod ( z6 federal ) ) )