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

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

*GRAMMAR*
fep -> RED 
 lug -> GREEN 
 blicket -> BLUE 
 dax -> PURPLE 
 x1 tufa x2 -> [x1] [x2] [x2] 
 x1 kiki u1 -> [x1] [x1] [u1] 
 x1 gazzer x2 -> [x2] [x1] 
 u1 x1 -> [u1] [x1] 
 