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

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

*GRAMMAR*
fep -> RED 
 kiki -> GREEN 
 tufa -> PURPLE 
 blicket -> BLUE 
 x1 dax x2 -> [x2] [x2] [x1] 
 x1 gazzer u1 -> [x1] [u1] [x1] 
 u1 lug u2 -> [u2] [u1] 
 u1 x1 -> [u1] [x1] 
 