Question: What five countries border on the caspian sea?
qaPairs: question: What country borders the Caspian Sea to the northeast?
answer: Kazakhstan
question: What country borders the Caspian Sea to the northwest?
answer: Russia
question: What country borders the Caspian Sea to the west?
answer: Azerbaijan
question: What country borders the Caspian Sea to the south?
answer: Iran
question: What country borders the Caspian Sea to the southeast?
answer: Turkmenistan