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.
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Question: Comment: More personal attacks. A sure sign you're losing the argument. Your excuses are pathetic.

Answer: Non-threat


Question: Comment: Rationality in this context is impossible.  

And I don't care if he is legally 'crazy' or not.  The death penalty will remove this useless and dangerous person so that he can never kill another person, particularly an innocent person.

That works for me.  Evil personified.

Answer: Threat


Question: Comment: Bring us his head.

Answer:
Threat