Prue is a 'mommy'

Prue is 18, Piper is 10, Phoebe is 5, and Paige is 2. Their mother and grandmother died just died. Now it's up to Prue to take care and raise her sisters by herself so Prue decides to not go to College. Prue gets a job and puts her sisters through school. Prue does not die, and yes there is magic involved. Paige and Phoebe both call Prue mommy.