TASK DEFINITION: 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"
PROBLEM: English: Every time, just as the exchange was about to take place, we found men missing from the meticulously drawn up lists. 
 Spanish:Cada vez, en el momento de realizarse el intercambio, descubríamos que faltaban personas en las listas, a pesar de haber sido laboriosamente elaboradas.

SOLUTION: Yes

PROBLEM: English: This is the only way to guarantee that the network, from collection to distribution, will be a comprehensive network which cannot be broken up or used only in part and according to the convenience of postal service operators. 
 Spanish:Es obvio que, en Lisboa, usted intenta levantar al mundo, o en cualquier caso un mundo que es nuestro: el de Europa.

SOLUTION: No

PROBLEM: English: This war must be stopped. 
 Spanish:Hay que ponerle fin.

SOLUTION:
Yes