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.

[EX Q]: We face a level of demand which is clearly not going to be resolved by means of an increase in roads and we need to study a better use of the rail infrastructures, which is an alternative which is not only much more appropriate from an environmental point of view, but furthermore, they are an alternative which allow us to use some existing infrastructures.
[EX A]: English

[EX Q]: The moral of this story is, of course, that to compete in the mainstream market, eco-products must give a performance close to their alternatives.
[EX A]: English

[EX Q]: Para nosotros, a la hora de juzgar la propuesta, son importantes los siguientes principios: en primer lugar, la etiqueta ecológica común no debe entorpecer ni reemplazar a las etiquetas nacionales, que hoy funcionan mejor que la flor comunitaria, tanto en cuanto a la cantidad de productos etiquetados como al grado de conocimiento por parte de los consumidores.
[EX A]:
Spanish