Not quite right - there are 3 ghosts, but there are 8 people. Different people dance different sections, but in the penultimate section, the group finishes by breaking into 4 duets - there are 3 men & 5 women. More.
I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.