Embryology quesition about origination of the germ cells

Embryology quesition about origination of the germ cells?
Germ cells in females originate from which of the following?
Choose one answer.
a. Germinal epithelial cells
b. Gonadal mesenchymal cells
c. Yolk sac endodermal cells
d. Gonadal mesodermal cells
e. Epiblast ectodermal cells

Germinal epithelial cells