You will be given a definition of a task first, then some input of the task.
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: I became convinced of this in Sarajevo when I had to negotiate the periodic exchanges of prisoners which accompanied each successive ceasefire agreement, none of which unfortunately lasted, between the parties to the conflict.
Spanish:Me convenci de ello en Sarajevo, cuando debia negociar, entre las partes en conflicto, los intercambios periodicos de prisioneros, que acompanaban los sucesivos acuerdos de alto el fuego, que desgraciadamente nunca duraban mucho.
Output:
Yes