Instructions: In this task, you are given a text of news article and corresponding headline of an article. Your task is to give label "match" if headline is correct for article, otherwise give label "no".
Input: Article: The Russian opposition leader, Alexei Navalny, has been jailed for five years on what people describe as trumped-up charges of embezzlement. Headline: Russian opposition leader Alexei Navalny jailed
Output:
match