Detailed Instructions: In this task, you're given reviews of various products in one of these languages 1) English 2) Japanese 3) German 4) French 5) Chinese 6) Spanish. Given a review you need to predict whether the language of the review is Japanese or Non-Japanese
Q: 睡眠を改善するのに適しています。気持ち良いです。買って正解です！
A:
Japanese