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.

[Q]: Comment: Only idiots know that.
[A]: Insult


[Q]: Comment: what describes you - idiot, dufus, stupid, dumpy, etc.  not name calling just describing your behavior and thinking
[A]: Insult


[Q]: Comment: Try to keep up.

Nineteen people stabbed to death in... - news.google.ca
Nineteen people stabbed to death in Japan. ... Updated: Tuesday, July 26, 2016, 12:16 AM. Knife Attack at Facility for Disabled People Leaves 19 Dead, ...
[A]:
Non-insult