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: (CNN) As House Democrats staged a sit-in in Congress in the wake of the shooting at a nightclub this month in Orlando, the public has again been left wondering if there is any politically feasible path to dealing with this country's problem with mass shootings. Of course, America isn't the only country to have experienced mass shootings. Australia suffered a string of them before deciding to take action back in 1996, when it responded with a complete ban on the possession of rapid-fire rifles and overall tightening of its overall gun regulation regime. The results have been stunning: The country has not had a single mass public shooting in 20 years.John J. Donohue: Strict gun control has worked in other countries, including AustraliaThere are four steps the United States should be taking right now, he says 
 Question:But when videos have surfaced urging extremists to take advantage of _'s lax gun laws, then you know it's well past time to examine what steps can be taken to diminish the chances of more mayhem.

America