You will be given a definition of a task first, then some input of the task.
You are given a paper review either in Spanish or English language. Based on the given review, evaluate the paper by classifying it to one of the five classes: (1) very negative, (2) negative, (3) neutral, (4) positive, and (5) very positive. Note that URLs in the text have been replaced with [Link].

Trabajo muy interesante pues incorpora una evaluación con usuarios del prototipo propuesto. Está bien redactado y los resultados son claros.
Output:
very positive