Based on my research, the answer should be "Drop Out Of School" ^-^
The type of play the girls are engaging in is "Collaborative pretend play" and the ages of these children's are about 5.
Children play many games but Collaborative pretend play is very among them. This is the fantasy game in which kids cooperate to create and act out the scenes. Many kids play and act like teacher and student, sometimes mother and daughter etc.
I thinks it's a survey or a poll.
Hopefully that helped. xD
From what i can read A would be the furthest