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) Donald Trump and Bernie Sanders may have little in common on policy, but they have one message that has fired up both their respective bases: The system is rigged and I'm the only one who's not in the pockets of big-money donors. Good government crusaders who have long sought champions for getting big money out of campaigns may have found them in the billionaire whose opponents have dubbed a fascist and a self-proclaimed Democratic socialist. Trump has often bragged of buying politicians before becoming one himself, and cited the recent news of a Goldman Sachs loan to Ted Cruz to reiterate his point.Donald Trump and Bernie Sanders are both making appeals to voters partially based on their independence from big money donorsTrump cites his prior backing of political candidates as evidence he knows the system is riggedSanders blames super PACs and other top donations as the reason there hasn't been change in Washington 
 Question:"It's because we have a campaign finance system that is corrupt, we have super _, we have the pharmaceutical industry pouring hundreds of millions of dollars into campaign contributions and lobbying, and the private insurance companies as well."

PACs