Detailed Instructions: In this task, you are given a paper review. Based on the review, your job is to identify language and generate "en" if the review is in English or generate "es" if the review is in Spanish. Note that URLs in the text have been replaced with [Link].
Q: Es un buen artículo, y los autores son investigadores con bastante experiencia en el tema. Se recomienda su aceptación en su forma actual.
A:
es