You will be given a definition of a task first, then some input of the task.
In this task, you are given a text of article and corresponding title of an article. Your task is to generate label "yes" if headline (title) is right for article, otherwise generate "no".

Article: the world 's top central banks announced a huge operation thursday to boost the volume of dollars available to strangled money markets as global financial turmoil ripped deeper into confidence . Title: seven us troops killed in iraq chopper crash
Output:
no