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: Pero cincuenta años después de la Declaración Universal de los Derechos Humanos la brecha entre las pretensiones y la realidad sigue ahí.

SOLUTION: Spanish

PROBLEM: We have contributed to de-mining and mine destruction as well as to victim assistance and research into new de-mining technology.

SOLUTION: English

PROBLEM: Ésta es el arma de precisión que debemos usar cada vez más.

SOLUTION:
Spanish