question: Along with the Joint UN Commands , ROKA and KPA , what country also still patrols the demilitarized zone ?
answer: United States
turker_answer: Along with the Joint UN Commands , ROKA and KPA the United States also still patrols the demilitarized zone .
rule-based: Along with the Joint UN Commands , ROKA and KPA , United States patrols the demilitarized zone .