First of all, we wish to sincerely thank the anonymous reviewers for their time and efforts in reviewing our NeurIPS

In the revised version, we will make this clearer in the "Related Work" section. Figure 2 illustrates how the classification model (i.e. ( t 1) The parameter σ corresponds to the width of Gaussian kernel, which is fixed to be 1 in this paper (pp.3, footnote 1).