There are 12 male and 18 female students in Mr. Ephraim's class. Each team intends to form a team with equal numbers of men and women. What should Mr. Ephraim do so that all students are included in the group?
a. Form a group consisting of 4 male and 2 female students
b. Form a group consisting of 2 male and 3 female students
c. Form a group consisting of 3 male and 2 female students
d. Form a group consisting of 4 male and 1 female students​