What is a nativity scene?
What is a nativity scene?
user
A nativity scene depicts the birth of Jesus.  It is a very common feature of Christmas celebrations in many cultures.
assistant
Is that what a nativity play is based on?
user
A nativity play is a type of dramatic performance which tells the story of Jesus’s birth and childhood.  It usually includes a performance of the Nativity scene.  Nativity plays often include reenactments of the Christmas story.
assistant
Who are the main characters?
user