Instructions: In this task, you're given reviews of various products in multiple languages. Domain is English - en, Japanese - ja, German - de, French - fr, Chinese - zh, Spanish - es. Given a review you need to predict the language in which it was written from en, ja, de, fr, zh, es.
Input: 座椅靠背调节很松！座椅调节角度不太理解！是在两个角度之间任意调节，还是只能固定在这两个角度呢？靠背怎 么调节
Output:
zh