There are three children in the McComb family. Which sample space represents the gender order, M(male) or F(female), in which the children could have been born?
A) {MMM, MMF, MFM, MFF}
B) {MMM, MMF, MFF, FMM, FFM, FFF}
C) {MMM, MMF, MFF, FMM, FMF, FFM, FFF}
D) {MMM, MMF, MFM, MFF, FMM, FMF, FFF}