US military forces are evacuating U.S. citizens and citizens of 72 other countries from Liberia at the request of the U.S.
us millitary forces are keeping citizens in liberia and 72 other countries
( z1 keep :ARG0 ( z2 force :mod ( z3 military ) :poss ( z4 we ) ) :ARG1 ( z5 citizen :location ( z6 and :op ( z7 country :name ( z8 name :op "Libya" ) ) :op ( z9 country :quant 72 :mod ( z10 other ) ) ) ) )