Which pairs is not correctly matched?

examrobotsa's picture
Q: 108 (IAS/2005)
Which pairs is not correctly matched?

question_subject: 

Geography

question_exam: 

IAS

stats: 

0,19,39,13,14,19,12

keywords: 

{'dominican republic santo domingo': [0, 0, 1, 0], 'bahamas nassau': [0, 0, 1, 0], 'costa rica san jose': [0, 0, 1, 0], 'nicaragua belmopan': [0, 0, 1, 0]}