DEF switch Switch {
      whichChoice 0
      choice [
      DEF root Transform {
      translation IS location
      scale IS scale
      rotation IS rotation
      children [
      DEF body Transform {
      translation 0 0 -25
      scale 2.2 1.8 0.5
      children [
      DEF decoration slide-background { }
      DEF SWITCH Switch {
          whichChoice 0
          choice IS slides
      }
      ] }
      ] }
      ] }