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.

I can give you two examples of this.
English

El objetivo consiste en alcanzarlos, en la medida de lo posible, para 2010.
Spanish

Cuando ya se han cambiado los hábitos de compra, todo resulta más fácil.

Spanish