You will be given a definition of a task first, then some input of the task.
In this task, you are given a sentence in the Bulgarian language and corresponding English translation of this sentence. Here, your job is to generate label "yes" if translation is right, otherwise generate label "no".

Bulgarian: Съвместно предприятие за разработване на ново поколение Европейска система за управление на въздушното движение (SESAR) (, English: Joint undertaking to develop the new generation European air traffic management system (SESAR) (
Output:
yes