Five U.S. soldiers were killed and five wounded Friday in an ambush near the Shiite neighborhood Sadr City.
Friday is the most dangerous day for U.S. soldiers.
( z1 have-degree :ARG1 ( z2 date-entity :weekday ( z3 friday ) ) :ARG2 ( z4 endanger :ARG0 z2 :ARG1 ( z5 soldier :mod ( z6 country :name ( z7 name :op "U.S." ) ) ) ) :ARG3 ( z8 most ) )