 Rosen 1995 and Divers 1999b are among the responses to Hale, and Hale has in turn responded to Rosen 1995 in Hale 1995a, where Hale argues that several of the responses suggested by Rosen in turn face serious problems. Skiba 2019 points out some complications that arise from addressing this challenge in a way that does not compromise a Divers-style “safety result” of the sort discussed above, though Skiba argues that modal fictionalists can handle these complications.