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

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

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