You will be given a definition of a task first, then some input of the task.
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].

Washington (CNN) It's no secret that Congress isn't exactly the most popular institution in American government. But now it's reaching new lows. Congress sank to a 10% approval rating in a new Quinnipiac University poll released on Thursday, with roughly five in six Americans saying they disapprove of the country's legislative body. This compares to an 18% approval rating in March. And if you're searching for the main reason behind the drop, look no further than Republican voters. Back in January and March, more than one in three Republicans said they had positive views of Congress, which is controlled by the GOP in both chambers.Congress sank to a 10% approval rating in a new Quinnipiac University pollMore than one in three Republicans said they had a favorable view in MarchBut now, just 14% of Republican voters who give Congress a thumbs up 
 Question:Support for _ among independents has also bottomed out, falling from 18% in January to just 8% now.
Output:
Congress