Questions That Are Considered to Be in the "Twilight Zone

Questions that are considered to be in the "twilight zone" are usually centered on __________.

A) differing interpretations of the meaning of a law by the president and Congress
B) disputes between Congress and the president that are essentially political
C) similar interpretations of the language of congressional statutes by the president and Congress
D) conflicts of interest on matters of policy between the president and the courts