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"

English: Certainly the process has always been very complex, as a result of historical decisions, and these must eventually be rationalised.
Spanish:Es cierto que el proceso siempre ha sido muy complejo como consecuencia de decisiones historicas pasadas que, al final, en algun momento hay que racionalizar.
Yes