United States naval forces evacuated U.S. civilians during hostilities between Turkish and Greek Cypriot forces.
Conflict between Turkey and Greece put Americans in danger.
This is definitely correct because the US Navy evacuated American citizens. You evacuate people when they are in danger. I think this confused the system because it might not understand what that word means in context.
( z1 endanger :ARG0 ( z2 conflict :ARG0 ( z3 country :name ( z4 name :op "Turkey" ) ) :ARG1 ( z5 country :name ( z6 name :op "Greece" ) ) ) :ARG1 ( z7 person :mod ( z8 country :name ( z9 name :op "America" ) ) ) )