question: taekwondo:korea
choices.label: A B C D
choices.text: japan:sumo martial arts:china football:america uk:tennis
explanation: "korea" is home to "taekwondo". "sumo" is not the place of origin of "japan". it originated in china. "china" is the place of origin of "martial arts". "america" ​​is not the place of origin of "football". it originated in china, not in "america". "uk" is the place of origin of "tennis", and "tennis" is not the place of origin of "uk".
relation: taekwondo korea R3.10
relation: martial arts china R3.10