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: The authors made an exhaustive study on publication related to application of IA algorithms to Supply Chain regarding SCORM level affected, last years tendencies, future forecast of their use. I would highly recommend: 1. use of color for better graphics understanding 2. mention names of authors or books, to not begin with references. I miss a comparison table of efficiency, advantages, disadvantages and uses for all AI algorithms used.
A:
en