Instructions: 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".
Input: Article: armed militants waging a `` war '' in nigeria 's southern oil-producing hub said on friday they had released two south african workers taken hostage by pirates last week . Title: british regulator bans short-selling in financial stocks
Output:
no