US military forces are evacuating U.S. citizens and citizens of 72 other countries from Liberia at the request of the U.S.
All foreign citizens are being evacuated from Liberia.
U.S. military forces are evacuating citizens from 73 countries, but the statement does not indicate that these are all of the foreign citizens currently in Liberia.
( z1 evacuate :ARG1 ( z2 country :name ( z3 name :op "Liberia" ) ) :ARG2 ( z4 citizen :mod ( z5 foreign ) :mod ( z6 all ) ) )