Before revision:  As a form of toxic and abusive language, ad hominems contain harmful language that could further amplify the skew of power inequality for marginalized populations . Since dialogue systems are designed to respond directly to user input, it is important to study ad hominems in these system responses. In this work , we propose categories of ad hominems that allow us to analyze human and dialogue system responses to  Twitter posts.
After revision:  As a form of toxic and abusive language, ad hominems contain harmful language that could further amplify the skew of power inequality for marginalized populations . Since dialogue systems are designed to respond directly to user input, it is important to study ad hominems in dialogue responses. To this end , we propose categories of ad hominems that allow us to analyze human and dialogue system responses to Twitter posts.