Which of the Following Is Least Likely to Be Considered

Which of the following is least likely to be considered economic immigration?

A) Bob migrates to Canada to improve his access to health care.
B) Manuela migrates to the United States to open an authentic Italian cooking school.
C) Myklos migrates to Switzerland because the public pension system is more generous than in his home country.
D) Alexander migrates to the United States because his political writings are censored in his home country.