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) The Facebook page belonging to Roy Moore, the Republican nominee for US Senate in Alabama, in February included a shared image of a group of black men standing on a destroyed police car during the 2015 Baltimore riots. Overlaying the image was text that read, "Want to stop riots? Play the National Anthem. They'll all sit down." The post -- originally shared by Moore's wife with the caption "I doubt it with these people-but worth a try?" -- is one of many inflammatory posts shared on the Republican nominee's Facebook, which is now used to promote his Senate campaign. Moore is facing Democrat Doug Jones in a special election set for December 12."Want to stop riots? Play the National Anthem. They'll all sit down," a meme shared on Moore's Facebook page read.Moore's page also shared an article with the headline, "Conservative Russians Give Moral Lesson to Facebook's Homosexual Propaganda." 
 Question:The page has been active since Moore's failed run for governor of Alabama in 2010 and was used for his exploratory committee for president and campaign for _ chief justice.

Alabama