Given the task definition and input, reply with output. In this task, you are given a public comment from online platforms. You are expected to classify the comment into two classes: insult and non-insult. Insult is any lanugage or act that is disrespectful or scornfully abusive.

Comment: How to end Western civilization: bring down power grid, within a week or so the people in the cities will be at each others' throats trying to survive. Nuclear plants will be in meltdown. Also maybe can infiltrate weapons systems and detonate nuclear arsenal.
Non-insult