choices.label: A B C D
choices.text: china:india germany:united kingdom america:canada sweden:spain
explanation: both "netherlands" and "japan" are coastal countries, and "japan" is an island country. both "china" and "india" are coastal countries, but "india" is not an island country. both "germany" and the "united kingdom" are coastal countries, and the "united kingdom" is an island country. both "america" and "canada" are coastal countries, but "canada" is not an island country. "sweden" and "spain" are both coastal countries, but "spain" is not an island country.
relation: netherlands japan R2.4
relation: germany united kingdom R2.4