Detailed Instructions: 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: Both Keystone and the Alberta Clipper lines were built during the PC years,, proving yet you are as ignorant as you are insulting childish stupid
A:
Insult