sp {chase*elaborate*state*sound-direction
   (state <s> ^name chase
              ^superstate <ss>)
   (<ss> ^sound.absolute-direction <abs-sound>
         ^direction-map.<direction>.<rel-sound> <abs-sound>
         ^io.input-link.direction <direction>)
   -->
   (<s> ^sound-direction <rel-sound>)}

sp {chase*elaborate*radar
   (state <s> ^name chase
              ^operator.actions <a>
              ^io.input-link.radar-status off)
   -->
   (<a> ^radar.switch on
        ^radar-power.setting 13)}
