We thank all reviewers for their time and feedback; we address common and individual comments in turn

We thank all reviewers for their time and feedback; we address common and individual comments in turn. For example, we implemented the ridge regression CI from [Thm. K Figure 1, our maximum width is 1.03, but the Hold even when training error is a poor proxy for test error due to overfitting (e.g., 1-nearest neighbor has training In the revision, we will clarify the formal definitions of "asymptotically exact" (coverage converging In the revision, we will highlight that (3.2) in Thm. 2 already implies a "non-45 F & G for detailed examples of simple learning problems excluded by past work but covered by ours).