*SUPPORT*
IN: zup kiki zup OUT: GREEN GREEN
IN: gazzer zup kiki lug OUT: PURPLE RED GREEN
IN: dax kiki zup OUT: GREEN BLUE
IN: zup tufa OUT: GREEN GREEN GREEN GREEN GREEN GREEN
IN: lug kiki dax OUT: BLUE RED
IN: zup blicket zup OUT: GREEN GREEN
IN: gazzer zup lug OUT: PURPLE GREEN RED
IN: gazzer dax kiki lug OUT: PURPLE RED BLUE
IN: zup dax blicket zup OUT: GREEN GREEN BLUE
IN: zup OUT: GREEN
IN: gazzer kiki gazzer OUT: PURPLE PURPLE
IN: gazzer blicket lug OUT: RED PURPLE
IN: gazzer tufa OUT: PURPLE PURPLE PURPLE PURPLE PURPLE PURPLE
IN: gazzer OUT: PURPLE

*QUERY*
IN: lug OUT: RED
IN: lug blicket lug OUT: RED RED
IN: lug lug kiki dax OUT: RED BLUE RED
IN: lug blicket gazzer OUT: PURPLE RED
IN: dax OUT: BLUE
IN: lug tufa OUT: RED RED RED RED RED RED
IN: lug zup blicket zup OUT: RED GREEN GREEN
IN: gazzer blicket gazzer OUT: PURPLE PURPLE
IN: gazzer blicket dax OUT: BLUE PURPLE
IN: dax kiki lug OUT: RED BLUE

*GRAMMAR*
zup -> GREEN 
 gazzer -> PURPLE 
 dax -> BLUE 
 lug -> RED 
 u1 tufa -> [u1] [u1] [u1] [u1] [u1] [u1] 
 u1 kiki u2 -> [u2] [u1] 
 u1 blicket u2 -> [u2] [u1] 
 u1 x1 -> [u1] [x1] 
 