Mother has a fixed place and father, so there are 3*2 ways to arrange the children, hence
A family with 1 mother, 1 father, and 2 children sit in a car with 2 front seats and 2 back seats. If the mother drives with a child in the front, and the father sits in the back center seat with the other one children on either side of him, how many seating arrangements are possible?

(1)  3
(2)  4
(3)  6
(4)  8
(5)  10