sentences:  Although the "right-sizing" approach may seem attractive to deal with vast vacant lots and abandoned houses with isolated residents, it can be problematic for people who are incapable of moving into these denser neighborhoods.In the case of Detroit, although residents in decaying neighborhoods are not forced to move into concentrated areas, if they live outside designated neighborhoods they may not get public services they require.This is because communities in shrinking cities often are low-income communities where they are racially segregated.