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"

Let me give you an example: English: Resumption of the session
Spanish: Reanudacion del periodo de sesiones
The answer to this example can be: Yes
Here is why: The English sentence correctly translated into a Spanish sentence because it's translated all the words and prepositions in the sentence "Resumption of the session" correctly.

OK. solve this:
English: We therefore have some expertise to bring to bear on the subject and we are particularly well placed to gauge the extent of what has already been achieved.
Spanish:En la carta a la que me referia en el texto de mi pregunta quedaba poco claro cual es el concepto que la Comision Europea tiene de las aguas costeras del Sahara Occidental.
Answer:
No