Definition: In this task, you will be presented with a passage and have to answer a question based on your understanding of the events inferred from the passage. Try to find the best answer that is most likely to fill in "_". Note that the URLs in the text have been replaced with [Link].
Input: A Russian biker gang, which Vladimir Putin describes as his 'friends', has camped out on the Polish border after being banned from entering the country for a World War II memorial ride. Polish authorities said last week they would ban entry to the Night Wolves, with leaders calling their plans to ride through Poland en route to commemorations of World War II a 'provocation'. The group vowed to enter anyway and 15 were seen Monday morning at the border crossing between Brest, Belarus, and Terespol, Poland. Scroll down for video Stopped: A Belarussian border guard checks the passport of a member of Russia's pro-Putin Night Wolves motorcycle club at a border crossing with Poland near BrestThe Night Wolves biker gang has been banned from entering PolandThey are pro-Putin, and the Russian leader has ridden with themPoland is extremely critical of Russian actions in UkraineGermany has also said that the Russian bikers would not be welcome 
 Question:Some Russian bikers had been seen entering _ earlier but they appeared to belong to another organisation whose members are allowed to enter.

Polish