In this task, you get an English sentence and a corresponding Spanish translation of the English sentence. Your task is to return a "Yes" if the translation is correct, otherwise return "No"

[EX Q]: English: Is there any prospect of membership? 
 Spanish:¿Tiene en perspectiva el ingreso?
[EX A]: Yes

[EX Q]: English: It is in our interest to see stability and peace in the Balkans, and there is a chance of that, although the Stability Pact is in danger of becoming a stillborn entity. 
 Spanish:Estamos interesados en que en los Balcanes se establezca un orden pacífico estable, y tenemos la oportunidad de conseguirlo, si bien el pacto de estabilidad amenaza con convertirse en un cadáver que nunca haya llegado a cobrar vida.
[EX A]: Yes

[EX Q]: English: A universal service offering high-quality postal services at affordable prices throughout the country forms the basis for the operation of the whole postal system and must lead to a uniform nationwide tariff. 
 Spanish:Señor Presidente del Consejo, ¿sabe usted cómo exponía Arquímedes su teoría de la palanca?
[EX A]:
No