TASK DEFINITION: In this task, you are given a sentence in either Spanish or English. Your task is to determine the language of the input sentence. Input sentences can only be in Spanish or English, and they cannot be in two languages ​​at the same time.
PROBLEM: La posición común estima plenamente sus reivindicaciones proponiendo erigir en regla uniforme y obligatoria para el conjunto de los quince Estados miembros una derogación que correspondía a una costumbre alimentaria limitada a algunos de ellos.

SOLUTION: Spanish

PROBLEM: This has also been the year in which the Catholic Church has issued a mea culpa on violations of human rights committed throughout history.

SOLUTION: English

PROBLEM: What doctrines do they involve?

SOLUTION:
English