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].

Ex Input:
This paper proposed an iterative query updating mechanism for cloze-style QA. The approach is novel and interesting and while it is only verified in the paper for two Cloze-style tasks (CBT and WDW), the concept of read/compose/write operations seem to be more general and can be potentially applied to other reasoning tasks beyond Cloze-style QA. Another advantage of the proposed model is to learn when to terminate the iteration by the so-called adaptive computation model, such that it avoids the issue of treating the number of iterations as another hyper-parameter, which is a common practice of iterative models/multi-hop reasoning in previous papers.  There are a couple places that this paper can improve. First, I would like to see the results from CNN/Daily Mail as well to have a more comprehensive comparison. Secondly, it will be useful to visualize the entire M^q sequence over time t (not just z or the query gating) to help understand better the query regression and if it is human interpretable.

Ex Output:
en


Ex Input:
Los comentarios aparecen en el archivo adjunto

Ex Output:
es


Ex Input:
El trabajo es interesante, sin embargo, se requiere de una muestra estadística más amplia para poder sacar conclusiones cercanas a la realidad.  Tan solo 4 pacientes no constituyen una muestra importante, y los promedios  encontrados pueden no estar acordes con los resultados de un estudio más amplio. De todos modos, este proyecto es muy útil para la sociedad.  Anexo envío el artículo con algunas correcciones en redacción y puntuación, sin embargo, los autores deben revisar el documento completamente

Ex Output:

es