In this task, you are given a public comment from online platforms. You are expected to classify the comment into two classes: identity-attack and non-identity-attack. Identity attack refers to anything rude or disrespectful about someone's identity, including appearance, race, gender, and sexual orientation.

Example Input: Comment: The denialists are like those mammoths.  Stuck on a shrinking island amidst a sea of information.  Soon they'll all be extinct.  Or learn to swim.
Example Output: Non-identity-attack

Example Input: Comment: How many scandals, false accusations of others, deaths and derelictions of duty to BCers do the BC Liberals have to rack up before people realize it's time to dump them.
Example Output: Non-identity-attack

Example Input: Comment: I called it. Go back and look. This is some kind of surreal. It is truly the beginning of the end of Alaska. Govenor Walker is a traitor.
Example Output:
Non-identity-attack