In this task, you are given a public comment from online platforms. You are expected to classify the comment into two classes: threat and non-threat. Threat is a statement that someone will be hurt or harmed, especially if the person does not do something in particular.
One example: Comment: Enough already. Cut the head off this snake.
Solution is here: Threat
Explanation: This comment conveys a violent threat to someone.

Now, solve this: Comment: If liberals are so concerned about slavery they should protest in the middle east, china, southeast asia and the african continent. There is plenty of slavery going on there right now. But, they won't go because they are cowards who's goal it is to destroy America and everything it stands for. Let me remind the liberal nitwits that it was America who led the world in the elimination of slavery. First vermont in 1777. Then The Act Prohibiting Importation of Slaves of 1807. 1862 - U.S. President Abraham Lincoln proclaims emancipation of slaves with effect from January 1, 1863; 13th Amendment of U.S. Constitution follows in 1865 banning slavery.
Solution:
Non-threat