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.

Comment: We need a fence taller than the Mexican fence because Canadians on average are taller
Identity-attack

Comment: We're Russians now, Hungryboy?
You must be an ignorant American--but we already knew that.
Identity-attack

Comment: Pure arrogance.  Did you learn that at college also?

Non-identity-attack